Crystal's Coder Hub👁️ CPT. 67904 — Repair of Blepharoptosis; Levator Resection or Advancement, External Approach
Quick Reference
wRVU: 6.38 | Global Period: 090 (90 days) | Assistant Payable: ❌ No | Bilateral Indicator: 1
📋 Clinical Description
CPT 67904 describes the surgical correction of upper eyelid blepharoptosis using an external (transcutaneous) approach in which an incision is made through the eyelid skin crease, the levator palpebrae superioris muscle and/or its aponeurosis is directly visualized, and then either resected (a measured segment excised to shorten and tighten the muscle) or advanced (the aponeurosis is dissected from its insertion and re-attached more anteriorly on the tarsal plate to improve its mechanical advantage). The external approach distinguishes this code from 67903 (levator resection or advancement via internal/conjunctival approach — Fasanella-Servat variant) and from 67901 (frontalis suspension with autologous/homologous material) or 67902 (frontalis suspension with synthetic material) used when levator function is absent or severely reduced. The operative note must specify the external approach and the specific technique (resection vs. advancement) to support 67904 unambiguously.
Blepharoptosis (H02.4xx series) is the abnormal drooping of one or both upper eyelids due to deficient elevation by the levator palpebrae superioris muscle, most commonly caused by dehiscence or disinsertion of the levator aponeurosis from the tarsal plate (aponeurotic/involutional ptosis — the most prevalent type in adults). When the ptotic eyelid obstructs the superior visual field or covers the pupil, it creates a functional visual impairment that qualifies the repair for medical coverage under Medicare and most commercial payers — this requires documented preoperative visual field testing demonstrating superior field defect that improves with manual eyelid elevation, margin-reflex distance (MRD-1) ≤2 mm, and levator function assessment. When functional criteria are not met, the procedure is considered cosmetic and is non-covered.
This procedure may be performed in the following clinical contexts:
- Involutional/Aponeurotic Ptosis (most common) — Age-related dehiscence of the levator aponeurosis from the tarsal plate; good-to-excellent levator function (≥8 mm); external approach with aponeurosis advancement is the preferred technique
- Congenital Ptosis with Adequate Levator Function — Developmental levator dysfunction with at least moderate residual function (4-7 mm); external levator resection appropriate when levator function is sufficient to support surgical correction without frontalis suspension
- Mechanical Ptosis — Ptosis caused by excess skin or lid mass (e.g., large chalazion, lid tumor, severe dermatochalasis); when the mechanical cause is corrected but residual aponeurotic weakness remains, 67904 addresses the levator component; report the mechanical cause removal separately
- Myogenic Ptosis (Partial Levator Dysfunction) — Ptosis secondary to myopathy (e.g., oculopharyngeal muscular dystrophy, myasthenia gravis in remission) when levator function remains adequate for resection/advancement approach
- Paralytic Ptosis with Partial CN III Recovery — Post-CN III palsy with partial levator recovery and meaningful residual function; advancement or resection used when function supports it, vs. frontalis suspension (67901/67902) when function is absent
🔬 Anatomical & Procedural Considerations
| Technique Variant | Mechanism / Steps | Key Notes / Coding Impact |
|---|---|---|
| Levator Aponeurosis Advancement | Skin crease incision → orbital septum opened → aponeurosis dissected from anterior tarsal plate → aponeurosis advanced and sutured to tarsal plate at measured position; excess aponeurosis may be excised | Most common technique for involutional/aponeurotic ptosis in adults; minimal tissue removed — advancement is the primary corrective action; document “advancement” or “levator advancement” explicitly |
| Levator Muscle Resection | External skin incision → levator muscle directly exposed → measured segment of levator muscle excised to shorten and increase mechanical pull; cut ends sutured; lid height adjusted intraoperatively | More commonly used for congenital ptosis or when significant shortening of the muscle belly is needed; operative note must document the amount of resection and the target MRD-1 |
| Combined Resection + Advancement | Both techniques applied in sequence when clinical findings support need for both tissue shortening and re-anchoring | Still reported as a single 67904; combined technique is captured under “levator resection or advancement” — both approaches are within the code’s scope |
Clinical Pearl
The single most critical documentation element for medical necessity coverage is the preoperative visual field test. Medicare and most commercial payers require a Humphrey or Goldmann visual field (or equivalent) performed with the eyelid in its natural (ptotic) position demonstrating a superior field defect, followed by a repeat field with the eyelid manually taped in the elevated position showing improvement. MRD-1 of ≤2 mm is the most commonly cited threshold. Without these specific functional criteria documented in the chart, the procedure will be denied as cosmetic. When billing bilateral 67904 (modifier -50 or E1/E3 lines), payers require functional criteria documentation for each eye independently — a unilateral field defect does not automatically justify bilateral repair under most LCD policies.
✅ Procedure Includes
- Pre-procedure eyelid and levator function measurements (MRD-1, levator excursion, upper lid crease assessment)
- External skin crease incision and dissection to expose the levator aponeurosis and/or muscle
- Dissection and isolation of the levator aponeurosis from the orbital septum and tarsal plate
- Resection of a measured segment of levator muscle and/or advancement and re-fixation of the aponeurosis to the tarsal plate
- Intraoperative eyelid height and contour assessment with patient in sitting position (lid height adjustment — patient cooperation often required)
- Wound closure (skin and/or orbicularis layer)
- Post-operative dressing application and antibiotic ointment
- Documentation of technique, amount resected or advanced, intraoperative MRD-1, and laterality
❌ Excludes / Do Not Report Together
| Code | Description | Relationship to 67904 |
|---|---|---|
| 67903 | Repair of blepharoptosis; levator resection or advancement, internal approach | Mutually exclusive with 67904 by approach — internal (conjunctival/posterior) approach only; never report 67903 and 67904 for the same eyelid in the same session |
| 67901 | Repair of blepharoptosis; frontalis suspension, using autologous or homologous material | Used when levator function is absent or severely reduced (<4 mm); mutually exclusive with 67904 — when frontalis suspension is required, levator resection/advancement is not the operative technique |
| 67902 | Repair of blepharoptosis; frontalis suspension, using synthetic material | Same distinction as 67901 — mutually exclusive by operative technique |
| 67900 | Repair of brow ptosis (supraciliary, mid-forehead or coronal approach) | Separately reportable when brow ptosis repair is independently documented and medically indicated; may be reported with 67904 with modifier -51 if distinct, separately performed — but medical necessity documentation required for both |
| 15820 / 15821 | Blepharoplasty, upper eyelid (without/with excessive skin weighing down lid) | Separately reportable ONLY if a distinct, separately documented medically necessary or cosmetic upper lid blepharoplasty is performed — requires own functional criteria or is a cosmetic add-on; cannot be bundled into 67904 when both are legitimately performed; append modifier -59 if payer edits apply |
| E/M codes (992xx / 920xx) | Office visit, any level | Separately reportable only when modifier -25 is appended to the E/M code, documenting a significant, separately identifiable E/M service beyond the routine pre-procedure assessment |
Bundling Alert — Global Period is 090, Not 010
67904 carries a 90-day global period — a common audit surprise for ophthalmology practices that assume eyelid repairs carry a shorter global. The most frequent audit finding is separately billing post-operative visits (e.g., the 1-week suture removal visit, the 4-week follow-up) without modifier -24 documentation that the visit was unrelated to the ptosis repair. Suture removal within the global period is bundled — do not bill a separate E/M or procedure code for suture removal during the 90-day window. For a patient who presents within the global period for an unrelated condition (e.g., acute conjunctivitis, cataract consultation), append -24 to the E/M code and document the unrelated diagnosis explicitly.
🌳 Code Tree — Surgery: Eyelids — Repair (Blepharoptosis)
CPT 67800-67999 Surgery: Eyelids, Conjunctiva, Cornea, and Ocular Adnexa
│
├── 67800-67850 Excision and Destruction (Eyelid)
│
├── 67900-67924 Repair (Brow Ptosis, Blepharoptosis, Lid Retraction, Ectropion, Entropion)
│ ├── 67900 Repair of brow ptosis (supraciliary, mid-forehead or coronal approach) (Global: 090)
│ ├── 67901 Repair of blepharoptosis; frontalis suspension, autologous/homologous material (Global: 090)
│ ├── 67902 Repair of blepharoptosis; frontalis suspension, synthetic material (Global: 090)
│ ├── 67903 Repair of blepharoptosis; levator resection or advancement, internal approach (Global: 090)
│ ├── ▶▶ 67904 ◀◀ Repair of blepharoptosis; levator resection or advancement, EXTERNAL approach ← YOU ARE HERE (Global: 090)
│ ├── 67906 Repair of blepharoptosis; superior rectus technique with fascial sling (Global: 090)
│ ├── 67908 Repair of blepharoptosis; conjunctivo-tarso-Muller's muscle-levator resection (Global: 090)
│ └── 67909 Reduction of overcorrection of ptosis (Global: 090)
│
└── 67914-67924 Repair of Ectropion and Entropion
├── 67914 Repair of ectropion; suture (Global: 090)
└── 67917 Repair of ectropion; extensive (Global: 090)
💰 RVU & Reimbursement Profile
| Component | Value |
|---|---|
| Work RVU (wRVU) | 6.38 (2026 CMS MPFS; verify against current CMS Addendum B RVU file — reflects CY2026 final values) |
| Global Period | 090 (90 days) |
| Bilateral Indicator | 1 — standard bilateral reduction rules apply; when performed bilaterally in the same session, Medicare pays 150% of the unilateral fee (100% first eye + 50% second eye) |
| Assistant Surgeon | ❌ Not payable |
| Co-Surgeon | ❌ Not applicable |
| Team Surgery | ❌ Not applicable |
| PC/TC Split | ❌ No — procedure code only (Indicator 0) |
| Modifier -51 Exempt | No |
| Anesthesia | Local infiltration with or without IV sedation (MAC); general anesthesia for pediatric patients; local/MAC does not generate a separate anesthesia claim for the surgeon — anesthesia billed separately by CRNA/anesthesiologist if used |
Bilateral Billing Rules
67904 has a bilateral indicator of 1, meaning standard Medicare bilateral reduction rules apply. When performed on both upper eyelids in the same session, Medicare pays 150% of the single-procedure allowable — 100% for the first eyelid and 50% for the second. Preferred billing format varies by MAC: some prefer a single line with modifier -50; others prefer two separate lines using eyelid-specific modifiers -E3 (upper right) and -E1 (upper left) with modifier -51 on the second line. Verify your MAC’s (typically Palmetto GBA, CGS, or WPS depending on your jurisdiction in NC) preferred bilateral format before submitting. Do not apply bilateral rules when operating on upper eyelid only on one side and lower eyelid on the other — those are distinct anatomic sites.
🏷️ Modifier Reference
| Modifier | Name | When to Apply |
|---|---|---|
| -E3 | Upper Right Eyelid | Procedure performed on the upper right eyelid — preferred eyelid-specific modifier for ophthalmology billing; use in place of or in addition to -RT |
| -E1 | Upper Left Eyelid | Procedure performed on the upper left eyelid — use in place of or in addition to -LT |
| -RT | Right Side | Right eyelid — use when MAC or payer does not accept E modifiers; otherwise -E3 is preferred for upper eyelid specificity |
| -LT | Left Side | Left eyelid — use when MAC or payer does not accept E modifiers |
| -50 | Bilateral Procedure | Both upper eyelids, same session — use per MAC billing format instructions; some MACs prefer E3/E1 on two lines over -50 on single line |
| -51 | Multiple Procedures | When 67904 is performed alongside other surgical procedures (e.g., blepharoplasty 15820, brow ptosis repair 67900); apply to the lower-valued code |
| -59 | Distinct Procedural Service | When a payer inappropriately bundles 67904 with a separately reportable service (e.g., 15820); documents distinct anatomic site or independent service |
| -25 | Significant, Separately Identifiable E/M | Applied to the E/M code — not to 67904 — when a separately documented, medically necessary evaluation is performed on the same date as the procedure |
| -24 | Unrelated E/M During Postoperative Period | Applied to the E/M code when the patient is seen within the 90-day global window for a condition unrelated to the ptosis repair (e.g., conjunctivitis, new cataract evaluation) — document the unrelated condition explicitly |
| -52 | Reduced Services | Procedure partially completed — document specific clinical reason |
| -53 | Discontinued Procedure | Procedure stopped after initiation due to patient safety concern |
| -58 | Staged or Related Procedure | Planned staged revision or additional surgery during the 90-day global period — e.g., planned overcorrection revision |
| -78 | Unplanned Return to OR | Unplanned return for complication during the 90-day global period (e.g., wound dehiscence, hematoma requiring drainage) |
| -79 | Unrelated Procedure During Postoperative Period | Unrelated surgical procedure performed during the 90-day global window |
🩺 Common ICD-10-CM Pairings
Blepharoptosis — Primary Grouping (H02.4xx)
| ICD-10 Code | Description | HCC? | Clinical Notes |
|---|---|---|---|
| H02.401 | Unspecified ptosis of right eyelid | ❌ No | Use when ptosis type (mechanical, myogenic, paralytic, aponeurotic) is not specified in documentation; query provider for etiology type when possible to support a more specific code |
| H02.402 | Unspecified ptosis of left eyelid | ❌ No | Same specificity note as above — laterality is required; do not use H02.409 (unspecified eye) when laterality is documented in the chart |
| H02.403 | Unspecified ptosis of bilateral eyelids | ❌ No | Use for bilateral ptosis when type is unspecified; assign for bilateral procedures when both sides have the same unspecified etiology |
| H02.411 | Mechanical ptosis of right eyelid | ❌ No | Use when ptosis is caused by a mechanical load on the lid (excess skin, mass, cicatricial) and the provider documents mechanical etiology |
| H02.412 | Mechanical ptosis of left eyelid | ❌ No | Same as above — left side |
| H02.421 | Myogenic ptosis of right eyelid | ❌ No | Use when ptosis results from a muscle disease (myasthenia gravis, muscular dystrophy) — document the underlying myopathy as an additional diagnosis |
| H02.422 | Myogenic ptosis of left eyelid | ❌ No | Same — left side |
| H02.431 | Paralytic ptosis of right eyelid | ❌ No | Use when ptosis is caused by CN III palsy or other neurogenic cause — additional code for the underlying neurological condition is required |
| H02.432 | Paralytic ptosis of left eyelid | ❌ No | Same — left side |
Functional Visual Impact — Supporting Medical Necessity
| ICD-10 Code | Description | HCC? | Clinical Notes |
|---|---|---|---|
| H53.469 | Visual field defect, unspecified | ❌ No | Report as additional diagnosis when preoperative visual field testing documents a superior field defect attributable to the ptotic eyelid; this is a critical medical necessity support code — include on every functionally justified ptosis claim |
| H53.10 | Unspecified subjective visual disturbances | ❌ No | Use as additional code when visual complaints (blurred vision, difficulty with overhead tasks) are documented but visual field testing results are characterized in general terms |
Underlying Etiology / Complication Codes
| ICD-10 Code | Description | HCC? | Clinical Notes |
|---|---|---|---|
| G70.01 | Myasthenia gravis with (acute) exacerbation | ✅ HCC 75 | Report as additional code when myasthenia gravis is the documented underlying cause of myogenic ptosis — do not report this code unless the underlying disease is confirmed and documented; neurology co-management documentation strengthens this pairing |
| Q10.0 | Congenital ptosis | ❌ No | Use for congenital blepharoptosis in pediatric patients or adults with documented congenital etiology — replaces H02.4xx when the ptosis is congenital in origin per ICD-10-CM Guideline conventions |
Coding Specificity Reminder
The H02.4xx series requires two specificity axes: laterality (right = 1, left = 2, bilateral = 3) AND ptosis type (unspecified = 0, mechanical = 1, myogenic = 2, paralytic = 3). The most commonly missed axis is ptosis type — most coders default to H02.401/402 (unspecified) when the operative or clinic note clearly documents the etiology (e.g., “aponeurotic dehiscence” = mechanical; “MG” = myogenic). Always cross-reference the H&P and operative note before assigning the unspecified code. ICD-10-CM specificity requirements are not optional — and for ptosis claims specifically, payers including Medicare use diagnosis codes as part of their LCD medical necessity review criteria.
🏥 MS-DRG Considerations (Inpatient)
Inpatient Coding Reminder
CPT 67904 is performed exclusively in the outpatient hospital or ASC setting for isolated blepharoptosis repair. There are no routine MS-DRG assignments for this procedure — inpatient admission for blepharoptosis repair alone would not be supported by any payer, MAC, or utilization review body under InterQual or Milliman criteria. If a patient undergoing an inpatient admission for an unrelated diagnosis also has blepharoptosis repaired, an ICD-10-PCS code may be assigned for completeness (see below), but it will have no meaningful impact on DRG grouping.
🔧 ICD-10-PCS Equivalents (Inpatient Facility Coding)
Note
Inpatient PCS coding for 67904 is rare in practice — this procedure is not a common driver of inpatient admissions. When coded in the inpatient setting (e.g., procedure performed concurrently during an unrelated inpatient stay), the root operation is Repair (Q) when the primary action is reconstruction of the levator mechanism without replacement, or Replacement (R) when fascial material is used as a graft to reinforce or replace the aponeurosis. Standard levator resection/advancement maps to Repair (Q). Laterality is coded separately — right and left eyelids each require their own PCS code line; PCS has no bilateral modifier equivalent.
| PCS Code | Full Description | Applicable Modality |
|---|---|---|
08QP0ZZ | Medical and Surgical — Eye — Repair — Upper Eyelid, Right — Open — No Device — No Qualifier | Levator resection or advancement, right upper eyelid — external/open approach |
08QQ0ZZ | Medical and Surgical — Eye — Repair — Upper Eyelid, Left — Open — No Device — No Qualifier | Levator resection or advancement, left upper eyelid — external/open approach |
PCS Character Analysis — 08QP0ZZ
| Position | Character | Value | Definition |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 8 | Eye |
| 3 | Root Operation | Q | Repair (restoring, to the extent possible, a body part to its normal anatomic structure and function) |
| 4 | Body Part | P | Upper Eyelid, Right |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
PCS Root Operation: Repair (Q) vs. Replacement (R)
- Use Repair (Q) when the primary operative action is levator resection and/or advancement using the patient’s own native tissue — no graft material is placed; the levator mechanism is restored using its own anatomy
- Use Replacement (R) when a fascial graft (autologous fascia lata, banked fascia, or synthetic material) is sutured in as a sling or reinforcement — this maps more closely to the frontalis suspension codes (67901/67902) rather than 67904, but is documented here for completeness
- When bilateral repair is performed, assign two separate PCS code lines — 08QP0ZZ for the right and 08QQ0ZZ for the left; PCS does not have a bilateral qualifier equivalent
📝 Coding Examples
Example 1 — ASC: Unilateral Ptosis Repair, Right Upper Eyelid, Functional
Clinical Scenario: A 68-year-old female presents with a 2-year history of progressive right upper eyelid drooping impairing her superior visual field. MRD-1 right eye = 1.5 mm. Humphrey visual field (HVF) testing performed with lid in natural ptotic position shows 30% superior field loss right eye; repeat HVF with lid manually elevated to normal position shows full field restoration. Levator function = 12 mm (excellent). The oculoplastic surgeon performs external levator aponeurosis advancement, right upper eyelid, under local anesthesia with light IV sedation at the ASC. Operative note: “External skin crease incision made, levator aponeurosis identified, advanced and re-secured to the anterior surface of the tarsal plate; lid height and contour confirmed with patient in seated position; MRD-1 post-correction = 3.5 mm.” No separate E/M was documented on the day of surgery.
| Field | Code | Rationale |
|---|---|---|
| CPT | 67904-E3 | Levator advancement, external approach, right upper eyelid — E3 modifier specifies upper right eyelid with precision |
| PDx | H02.401 | Unspecified ptosis, right eyelid — operative note documents aponeurotic mechanism but does not explicitly use ICD-10 classification language; if “aponeurotic” or “involutional” is documented, query for mechanical (H02.411) specificity |
| SDx | H53.469 | Visual field defect — HVF testing documents superior field loss; critical medical necessity support code; include on every functionally justified ptosis claim |
Note
No modifier -25 applies as no separately documented E/M was performed. The 90-day global period begins on the date of surgery — document this date in your billing system and flag all subsequent encounters for global period review. The HVF documentation must be present in the chart and referenced in the operative note or pre-op evaluation to withstand a medical necessity audit.
Example 2 — ASC: Bilateral Upper Eyelid Ptosis Repair with Same-Day Pre-Op E/M
Clinical Scenario: A 72-year-old male presents to the oculoplastics clinic for evaluation of bilateral upper eyelid drooping affecting his visual field and driving. The surgeon performs a detailed new patient E/M including levator function measurements, MRD-1 measurements (right = 1.0 mm, left = 1.5 mm), and reviews bilateral HVF reports documenting superior field defects in both eyes. An independent decision to proceed with bilateral ptosis repair is documented with its own plan and medical decision-making. The E/M is fully documented separately from the pre-procedure assessment. Bilateral external levator aponeurosis advancement is performed in the ASC the same day.
| Field | Code | Rationale |
|---|---|---|
| CPT 1 | 99205-25 | New patient E/M, high complexity MDM — modifier -25 on the E/M code for separately documented, medically necessary evaluation independent of the pre-procedure assessment |
| CPT 2 | 67904-E3 | Levator advancement, external approach, right upper eyelid — first (primary) side |
| CPT 3 | 67904-E1-51 | Levator advancement, external approach, left upper eyelid — second side; modifier -51 (multiple procedures) on the second line; bilateral indicator 1 triggers 50% payment reduction on the second eyelid |
| PDx | H02.403 | Unspecified ptosis, bilateral eyelids |
| SDx | H53.469 | Visual field defect — bilateral HVF testing documented |
Warning
Modifier -25 belongs on the E/M code (99205), NOT on the procedure code. This is the most frequently cited audit finding in ophthalmology E/M + procedure same-day billing. Additionally, for bilateral ptosis, payers including Medicare require medical necessity documentation for each eye independently — a single bilateral VF defect statement is insufficient for some LCD policies. Confirm your MAC’s LCD (typically L33718 or equivalent for blepharoptosis) for the specific per-eye documentation requirements before billing bilateral cases.
Example 3 — Office/ASC: Overcorrection Revision During Global Period
Clinical Scenario: A 65-year-old female underwent right upper eyelid levator advancement (67904-E3) 6 weeks ago. She presents with significant overcorrection — MRD-1 right eye now = 6.5 mm (lagophthalmos/upper lid retraction), with inability to fully close the eye at night and corneal exposure risk. The surgeon takes her back to the ASC for surgical reduction of the overcorrection. This was a planned possible outcome discussed preoperatively. The operative note documents “return to OR for reduction of overcorrection of right upper eyelid following prior levator advancement; levator aponeurosis released and repositioned to achieve appropriate lid height.”
| Field | Code | Rationale |
|---|---|---|
| CPT | 67909-E3-58 | Reduction of overcorrection of ptosis, right upper eyelid — 67909 is the correct code for this procedure (not 67904 again); modifier -58 designates this as a staged/related procedure during the 90-day global period of the original 67904 |
| PDx | H02.891 | Other specified disorders of right eyelid — overcorrection/lagophthalmos as a post-operative finding; report as the primary reason for the return procedure |
Note
Global period reminder: Modifier -58 is required because this return procedure is related to and a sequela of the original 67904. Without -58, the claim will be denied as bundled within the global payment of the prior surgery. Importantly, the procedure code here is 67909 (reduction of overcorrection) — not 67904 again. Coding the return as another 67904 would be incorrect. The 90-day global period of the original 67904 continues running; a new global period does NOT begin for the -58 procedure on the original global clock. The new procedure date (67909) starts its own 90-day global period.
⚠️ Common Coding Pitfalls
-
Billing 67904 for an internal/conjunctival approach: The external vs. internal approach distinction is the defining code selector for this code family. If the operative note documents a posterior/conjunctival approach (e.g., “incision made on the posterior lid surface,” “conjunctival approach”), the correct code is 67903 — not 67904. Read the operative note’s approach description carefully before selecting the code. When the approach is ambiguous, query the surgeon.
-
Failing to document functional criteria for medical necessity: Medicare’s LCD for blepharoptosis repair (and most commercial payer policies mirror this) requires specific functional impairment criteria: MRD-1 ≤2 mm, documented superior visual field defect on formal visual field testing (HVF or Goldmann), and improvement with manual lid elevation. Missing any one of these three elements will result in a medical necessity denial. Every ptosis claim must have these measurements and test results clearly documented in the pre-op evaluation note and referenced on the operative authorization/claim.
-
Confusing 67904 with blepharoplasty codes (15820/15821): Blepharoptosis repair (67904) addresses the levator mechanism. Upper lid blepharoplasty (15820/15821) removes excess skin and/or fat. These are distinct procedures. Billing 67904 for what is actually a dermatochalasis skin excision — or vice versa — is a material coding error. When both procedures are genuinely performed, they may be separately reportable with modifier -59, but each requires its own independent medical necessity documentation.
-
Incorrect bilateral modifier format for your MAC: Some MACs prefer a single line with -50 for bilateral procedures; others require two separate lines with -E3 (right) and -E1 (left) and -51 on the second line. Submitting in the wrong format for your MAC will result in either a denial or incorrect reimbursement. For Raleigh, NC — you are in CGS (J15) jurisdiction — confirm CGS’s published bilateral procedure billing format in their provider manual before submitting bilateral 67904 claims.
-
Billing a separate E/M for suture removal within the global period: Suture removal is bundled into the 90-day global period payment for 67904. Billing a separate E/M or minor procedure code for suture removal at the 1-week post-op visit without modifier -24 (unrelated E/M) and documented unrelated clinical need is a global period violation. Train your front desk and billing staff that all post-op eyelid visits within 90 days require a global period review before billing.
-
Using H02.409 (ptosis, unspecified eye) when laterality is documented: H02.409 is the “unspecified eye” code and should almost never appear on a surgical claim — if the surgeon is operating on a specific eye, laterality is by definition known. Always assign H02.401 (right), H02.402 (left), or H02.403 (bilateral). Using H02.409 on a laterality-specific surgical claim is a specificity failure and may trigger a medical necessity or audit query.
📎 Sources
1. AMA CPT 2026 Professional Edition — Surgery: Eyelids, codes 67900-67909 · 2. CMS CY 2026 Medicare Physician Fee Schedule Final Rule (CMS-1832-F); Addendum B RVU file — 67904 wRVU 6.38, bilateral indicator 1, global period 090, effective 1JAN2026 · 3. CMS LCD L33718 — Blepharoplasty, Blepharoptosis Repair, and Brow Ptosis Repair (CGS Administrators, J15 Jurisdiction); medical necessity criteria for MRD-1, visual field testing, and levator function documentation · 4. CMS Billing and Coding Article A57618 — Blepharoplasty, Blepharoptosis Repair, and Brow Ptosis Repair (effective 10/2019, reviewed 2024) · 5. ICD-10-CM Official Guidelines for Coding and Reporting FY2026 — Chapter 7 (Diseases of the Eye and Adnexa), H02.4xx specificity requirements · 6. ICD-10-PCS Official Guidelines for Coding and Reporting FY2026 — Root Operation Q (Repair) vs. R (Replacement) for eyelid procedures · 7. NCCI Policy Manual Chapter 9 (Eye and Ocular Adnexa), CMS 2025-2026 — bundling edits for 67904 with 15820/67903 · 8. AAPC Ophthalmology Coding Alert — “Ptosis Repair Code Selection: External vs. Internal Approach, Medical Necessity Documentation” (2024) · 9. PacificSource Health Plans — Blepharoplasty, Blepharoptosis Repair, and Brow Ptosis Repair Clinical Policy (medical necessity criteria reference)