𧬠ICD-10 CM H33.002 β Unspecified Retinal Detachment with Retinal Break, Left Eye
Billable Code Confirmed
ICD-10 CM H33.002 is a valid, billable 6-character ICD-10-CM code for FY2026. All six characters are present:
H33(category) +.0(retinal detachment with break) +0(unspecified break type)
2(left eye). No 7th character is required.
Non-Billable Parent Codes β Never Submit These
- β
H33.00β 5-character header β missing laterality character- β
H33.0β 4-character header β missing break specification and lateralityAlways submit H33.002 (all 6 characters) when left eye retinal detachment with an unspecified break is documented.
Clinical Context: "Unspecified" Break vs. Specific Break
H33.002 indicates a rhegmatogenous retinal detachment (RRD) of the left eye caused by a full-thickness break in the retina. However, the
00signifies the type or number of breaks β single, multiple, giant retinal tear, or dialysis β is unspecified. If the operative report or exam specifies the nature of the break, a more specific code is strongly preferred over H33.002.
π Code Description
H33.002 classifies a left eye rhegmatogenous retinal detachment where the specific nature, quantity, or morphology of the causative retinal break(s) has not been specified in the medical record.
A rhegmatogenous retinal detachment occurs when a full-thickness tear or break in the sensory retina allows liquefied vitreous to track into the subretinal space, separating the neurosensory retina from the underlying retinal pigment epithelium (RPE). The term rhegmatogenous derives from the Greek rhegma (αΏ₯αΏΞ³ΞΌΞ±) meaning βrentβ or βtearβ β it is always break-driven, distinguishing it from traction detachments (H33.4x) and serous/exudative detachments (H33.2x), which have no break.
H33.002 is the left eye equivalent of H33.001 (right eye) and H33.003 (bilateral). When both eyes are involved with the same type of detachment, the bilateral code H33.003 is preferred over coding each eye separately β unless the break type or stage differs between eyes.
Unilateral vs. Bilateral β When to Use Each
- Left eye only involved β H33.002 β This code
- Right eye only involved β H33.001
- Both eyes involved, same break type β H33.003 (bilateral) preferred over H33.002 + H33.001
- Both eyes involved, different break types (e.g., single break right eye, multiple breaks left eye) β separate laterality-specific codes required β see Scenario 3 in H33.003
π³ Code Tree / Hierarchy
H33 Retinal Detachments and Breaks
β
βββ H33.0 Retinal detachment with retinal break β Non-billable
β β
β βββ H33.00 Unspecified retinal detachment with retinal break β Non-billable
β β βββ H33.001 Right eye β
Billable
β β βββ H33.002 LEFT EYE β THIS CODE β
Billable
β β βββ H33.003 Bilateral β
Billable
β β βββ H33.009 Unspecified eye β οΈ Avoid β query laterality
β β
β βββ H33.01 Retinal detachment with single break
β β βββ H33.011 Right eye β
Billable
β β βββ H33.012 Left eye β
Billable
β β βββ H33.013 Bilateral β
Billable
β β βββ H33.019 Unspecified eye β οΈ Avoid
β β
β βββ H33.02 Retinal detachment with multiple breaks
β β βββ H33.021 Right eye β
Billable
β β βββ H33.022 Left eye β
Billable
β β βββ H33.023 Bilateral β
Billable
β β βββ H33.029 Unspecified eye β οΈ Avoid
β β
β βββ H33.03 Retinal detachment with giant retinal tear (GRT)
β β βββ H33.031 Right eye β
Billable
β β βββ H33.032 Left eye β
Billable
β β βββ H33.033 Bilateral β
Billable
β β βββ H33.039 Unspecified eye β οΈ Avoid
β β
β βββ H33.04 Retinal detachment with retinal dialysis
β β βββ H33.041 Right eye β
Billable
β β βββ H33.042 Left eye β
Billable
β β βββ H33.043 Bilateral β
Billable
β β βββ H33.049 Unspecified eye β οΈ Avoid
β β
β βββ H33.05 Total retinal detachment
β βββ H33.051 Right eye β
Billable
β βββ H33.052 Left eye β
Billable
β βββ H33.053 Bilateral β
Billable
β βββ H33.059 Unspecified eye β οΈ Avoid
β
βββ H33.1 Retinoschisis and retinal cysts
βββ H33.2 Serous retinal detachment (no break)
βββ H33.3 Retinal breaks without detachment
βββ H33.4 Traction retinal detachment
βββ H33.5 Other retinal detachments
Upgrade to Specific Break Code When Documented
H33.002 is the starting point β not the endpoint. If the operative note, clinic note, or imaging report documents the break type, upgrade accordingly:
β Includes
The following clinical terms map to H33.002 when involving the left eye with break type unspecified:
- Rhegmatogenous retinal detachment NOS, left eye
- Primary retinal detachment with break, left eye
- Retinal detachment with hole or tear, left eye (type unspecified)
- Retinal detachment with unspecified break morphology, left eye
β Excludes
Excludes 1 β Cannot Be Coded Simultaneously with H33.002
These represent different pathophysiologic mechanisms of retinal separation and are mutually exclusive with rhegmatogenous (break-driven) detachment:
| Code | Description | Note |
|---|---|---|
| H33.2- | Serous retinal detachment | Fluid accumulates without a break β exudative; e.g., from choroidal tumors, inflammatory disease, or severe hypertension |
| H33.4- | Traction retinal detachment | Fibrovascular bands pull the retina β no break; classic in advanced proliferative diabetic retinopathy |
| H33.5- | Retinal detachment, unspecified etiology | Unspecified β mutually exclusive with the rhegmatogenous-specific H33.00x family |
Excludes 1 β Mechanism Determines the Code
The three types of retinal detachment (rhegmatogenous, serous/exudative, and tractional) are coded from three separate subcategories and are mutually exclusive under Excludes 1. The operative report and imaging findings determine which mechanism is documented.
- Break present, fluid tracking through it β H33.002 β rhegmatogenous
- No break, fluid under retina from exudation β H33.2x β serous
- Fibrovascular bands pulling retina up, no break β H33.4x β tractional
Excludes 2 β May Be Coded in Addition if Both Are Present
| Code | Description | Note |
|---|---|---|
| E08.35-, E09.35-, E10.35-, E11.35-, E13.35- | Diabetic traction retinal detachment with macular edema | A combined traction-rhegmatogenous retinal detachment (TRD/RRD) in a diabetic patient may allow dual coding of the diabetic tractional code alongside H33.002 when both mechanisms are explicitly documented by the physician |
π Clinical Overview
Pathophysiology
A rhegmatogenous retinal detachment develops through a three-step process:
- Posterior vitreous detachment (PVD) β the vitreous gel separates from the retina, often exerting tractional force at points of firm vitreoretinal adhesion
- Retinal break formation β traction creates a full-thickness tear, hole, or dialysis in the retina at a site of vitreoretinal adhesion or lattice degeneration
- Subretinal fluid accumulation β liquefied vitreous passes through the break into the subretinal space, progressively separating the neurosensory retina from the RPE
The detachment is a surgical emergency β the longer the retina remains separated from its RPE blood supply, particularly when the macula becomes involved (βmacula-offβ), the greater the photoreceptor damage and the poorer the final visual outcome. Macula-off RRD of any duration beyond 24β48 hours carries significantly reduced odds of recovering 20/40 or better vision.
Risk Factors for Left Eye RRD
| Risk Factor | ICD-10-CM Code | Coding Relevance |
|---|---|---|
| High myopia (axial elongation, lattice degeneration) | H44.22 β Degenerative myopia, left eye | Code additionally when documented |
| Pseudophakia / prior cataract surgery | Z96.652 β Presence of left artificial lens | Code additionally |
| Aphakia, left eye | H27.02 β Aphakia, left eye | Code additionally |
| Prior retinal detachment / repair, fellow eye | Z87.39x | Personal history codes for context |
| Blunt or penetrating ocular trauma | S | Injury codes when trauma is the cause |
| Marfan syndrome | Q87.40 | Connective tissue laxity β vitreous/retina instability |
| Stickler syndrome | Q87.89 | High risk for bilateral giant retinal tears |
| Family history of retinal detachment | Z84.89 | Risk documentation |
Symptoms β Classic Presentation
| Symptom | Clinical Significance |
|---|---|
| Photopsia (flashes of light) | Vitreoretinal traction β often the earliest symptom; precedes break/detachment |
| Floaters β sudden onset | Vitreous hemorrhage or pigment cells (tobacco dust/Shaferβs sign) entering vitreous through break |
| Tobacco dust / Shaferβs sign | Pigment granules in vitreous = highly predictive of a retinal break |
| βDark curtainβ or shadow | Advancing subretinal fluid β the classic detachment symptom; location of curtain indicates detachment quadrant |
| Central vision loss | Macula-off detachment β urgent surgical timeline |
| Asymptomatic peripheral detachment | Discovered incidentally on exam β macula still attached (macula-on) |
Macula-On vs. Macula-Off β Surgical Urgency
Macula-on RRD (subretinal fluid has not yet reached the fovea) is a true surgical emergency β same-day or next-day OR is the standard of care to prevent macular involvement and preserve central vision. Macula-off RRD (fovea already detached) still requires urgent repair but the visual prognosis is significantly worse. The macula status at the time of surgery is the single most important prognostic factor in RRD outcomes. Document macula status for CDI and accurate severity capture.
Imaging and Diagnosis
| Modality | Findings in RRD |
|---|---|
| Dilated fundus exam | Elevated gray retinal membrane, retinal break visible if media clear |
| B-scan ultrasound | V-shaped or undulating echogenic membrane attached at ora serrata and optic disc β used when media opacity (vitreous hemorrhage, cataract) obscures direct visualization |
| OCT | Confirms subretinal fluid, macula status (on vs. off), and detachment extent in posterior pole RRD |
| Wide-field fundus photography | Documents detachment extent, break location for surgical planning |
π° HCC Risk Adjustment (CMS-HCC v28)
| Field | Detail |
|---|---|
| CMS-HCC Model Version | v28 (2024β2025 Implementation) |
| HCC Assignment | β Not Mapped |
| HCC Category | N/A |
| RAF Coefficient | 0.000 |
| RxHCC Assignment | Not Mapped |
H33.002 does not map to an HCC under CMS-HCC v28 and carries no direct RAF weight.
Vision Loss Sequelae and Comorbidity Capture
While H33.002 itself carries no HCC weight, documented vision loss resulting from the detachment and systemic comorbidities driving RRD risk may. At every H33.002 encounter, review for:
- Vision impairment / blindness (H54.x) β if permanent vision loss is documented post-detachment, H54.x adds functional severity and should be reviewed for HCC mapping
- Diabetes mellitus β HCC 18 (Type 2 DM with complications); if DM contributes to the retinal pathology, capture fully
- High myopia (H44.22) β code the underlying structural risk factor when documented
- Connective tissue disorders (Marfan, Stickler) β code when documented as contributing to the detachment
π₯ MS-DRG Assignment
MDC 02 β Diseases and Disorders of the Eye
| DRG | Title | Est. Relative Weight* |
|---|---|---|
| DRG 124 | Other Disorders of the Eye with MCC | ~0.95β1.15 |
| DRG 125 | Other Disorders of the Eye with CC | ~0.70β0.90 |
| DRG 126 | Other Disorders of the Eye without CC/MCC | ~0.50β0.70 |
*Approximate. Verify against IPPS FY2026 Final Rule tables.
DRG Tier Elevation Opportunities
H33.002 as principal groups to DRG 126 by default. Tier elevation to DRG 125 or 124 requires documented and coded CCs or MCCs:
- MCC examples: Acute uncontrolled hypertension with end-organ damage, respiratory failure, sepsis
- CC examples: DM with complications, vision impairment (H54.x), moderate systemic inflammatory comorbidities
Do not leave documented comorbidities uncoded β each qualifying additional diagnosis contributes to accurate DRG tier capture.
π Related ICD-10-CM Codes
H33.00x Laterality Variants β Unspecified Break
| Code | Description |
|---|---|
| H33.001 | Unspecified retinal detachment with retinal break, right eye |
| H33.002 | Unspecified retinal detachment with retinal break, left eye β This Code |
| H33.003 | Unspecified retinal detachment with retinal break, bilateral |
| H33.009 | Unspecified retinal detachment with retinal break, unspecified eye β οΈ avoid β query laterality |
Upgrade Codes β Left Eye, Break Type Specified
| Code | Description |
|---|---|
| H33.012 | Retinal detachment with single break, left eye |
| H33.022 | Retinal detachment with multiple breaks, left eye |
| H33.032 | Retinal detachment with giant retinal tear (GRT), left eye |
| H33.042 | Retinal detachment with retinal dialysis, left eye |
| H33.052 | Total retinal detachment, left eye |
These Five Codes Always Preferred Over H33.002
The moment the operative report or physician documentation specifies the break type, H33.002 is replaced by the appropriate code above. Use H33.002 only when break type is genuinely unspecified after reviewing all available documentation β pre-op assessment, OR report, post-op note, and retinal consult notes.
Left Eye Retinal Break Without Detachment β Related Family
| Code | Description |
|---|---|
| H33.302 | Unspecified retinal break, left eye β no detachment yet |
| H33.312 | Horseshoe tear, left eye β without detachment |
| H33.322 | Round hole, left eye β without detachment |
| H33.332 | Multiple defects, left eye β without detachment |
Break Without Detachment (H33.3x) vs. Break With Detachment (H33.0x)
If the retina has not detached β only a break or tear is present β the H33.3x family is correct. H33.0x (including H33.002) requires a documented detachment with subretinal fluid. This distinction drives both the diagnosis code and the procedural urgency β a break without detachment may be treated prophylactically with laser (CPT 67145) rather than emergency vitrectomy.
Other Retinal Detachment Types β Left Eye (Contrast)
| Code | Description | Mechanism |
|---|---|---|
| H33.202 | Serous retinal detachment, left eye | No break β exudative fluid |
| H33.402 | Traction retinal detachment, left eye | Fibrovascular bands β no break |
Systemic Comorbidity / Risk Factor Codes
| Code | Description |
|---|---|
| H44.22 | Degenerative myopia, left eye |
| H27.02 | Aphakia, left eye |
| Z96.652 | Presence of left artificial lens (pseudophakia) |
| H54.52 | Low vision, left eye |
| Q87.40 | Marfan syndrome |
π οΈ CPT Procedural Crosswalk β wRVU & Assistant Payable Status
Surgical repair of a rhegmatogenous retinal detachment is complex vitreoretinal surgery. Below are the most common CPT codes paired with H33.002.
| CPT Code | Description | wRVU (Facility) | Asst. Surgeon Payable? | Co-Surgeon Payable? |
|---|---|---|---|---|
| 67108 | Repair of retinal detachment with vitrectomy, any method, including endolaser, cryotherapy, subretinal fluid drainage, scleral buckling, +/- lens removal | 24.50 | Yes (Indicator 2) β Justification required | No (Indicator 0) |
| 67107 | Repair of retinal detachment; scleral buckling (lamellar scleral dissection, imbrication, or encircling procedure) | 19.33 | Yes (Indicator 2) β Justification required | No (Indicator 0) |
| 67110 | Repair of retinal detachment by injection of air or other gas (pneumatic retinopexy) | 10.75 | No (Indicator 0) | No (Indicator 0) |
| 67145 | Prophylaxis of retinal detachment β photocoagulation (break without detachment) | 6.00 | No (Indicator 0) | No (Indicator 0) |
| 76512 | Ophthalmic ultrasound, B-scan | 0.45 | No (Indicator 0) | No (Indicator 0) |
wRVU values are estimates based on the CMS Physician Fee Schedule. Verify current year exact values in the CMS PFS Final Rule.
Modifier -LT for Left Eye β Always Apply for Unilateral Surgery
NCCI Bundling Considerations
NCCI PTP Edits β Verify Before Billing
- 67108 is a major vitreoretinal procedure. An E/M on the same DOS as 67108 requires modifier -25 on the E/M to be separately payable when the E/M is a distinct, separately documented service beyond the pre-operative work of the surgery.
- 76512 (B-scan) billed on the same DOS as a surgical repair code β confirm current NCCI PTP edit status; the diagnostic imaging may be considered part of the surgical work-up and bundled by some payers.
π¬ ICD-10-PCS Crosswalk (Inpatient Procedures)
When H33.002 is an inpatient diagnosis and a procedure is performed, the following ICD-10-PCS sections and root operations are relevant for code building. Full PCS codes require completion of all seven characters β consult the PCS tables for the applicable fiscal year.
| PCS Section | Body System | Root Operation | Clinical Application |
|---|---|---|---|
| 0 (Medical & Surgical) | 8 (Eye) | D (Extraction) | Pars plana vitrectomy β Body Part: Vitreous Left = 6, Approach 3 (Percutaneous) |
| 0 (Medical & Surgical) | 8 (Eye) | 0 (Alteration) / T (Resection) | Scleral buckling β Body Part: Sclera Left = 8 |
| 0 (Medical & Surgical) | 8 (Eye) | 9 (Drainage) | Subretinal fluid drainage β Body Part: Retina Left = 4, Approach 3 (Percutaneous) |
| 3 (Administration) | 8 (Eye) | 0 (Introduction) | Intravitreal gas tamponade (SF6, C3F8) or silicone oil injection β Body Part: Vitreous Left = 6 |
PCS Laterality β Left Eye Body Part Characters
In ICD-10-PCS, left eye body parts use a different character value than right eye in the Eye body system:
- Vitreous, Left = 6 (vs. Right = 5)
- Retina, Left = 4 (vs. Right = 3)
- Sclera, Left = 8 (vs. Right = 7) Confirm body part character from the applicable PCS table β do not assume symmetry with right eye codes.
π Coding Scenarios and Examples
Scenario 1 β Acute Left Eye RRD, Macula-Off, Vitrectomy (Inpatient)
Clinical Vignette: A 54-year-old male presents to the ER with a 2-day history of a βdark curtainβ from the bottom covering his left eye vision, preceded by new floaters and photopsia. Dilated fundus exam reveals a left eye inferior rhegmatogenous retinal detachment with macula-off status. Subretinal fluid is present throughout the inferior and temporal quadrants. Vitreous hemorrhage partially obscures the break(s). B-scan confirms the detachment. Due to obscured view from hemorrhage, the exact number and type of breaks cannot be determined pre-operatively. He is taken urgently to the OR for left eye pars plana vitrectomy with endolaser photocoagulation, subretinal fluid drainage, and SF6 gas tamponade. Post-op, the surgeon documents βRRD, left eye β break type indeterminate intraoperatively due to hemorrhage.β
CPT / HCPCS:
ICD-10-CM:
- H33.002 β Unspecified retinal detachment with retinal break, left eye (break type unspecified β documentation supports H33.002; break morphology was not determinable due to hemorrhage)
- H43.12 β Vitreous hemorrhage, left eye (documented β contributed to obscured view; co-existing condition affecting the clinical course)
H33.002 Is Correct When Break Type Is Genuinely Indeterminate
Post-operative documentation matters. If the surgeon explicitly states the break type could not be determined β as in this scenario due to hemorrhage β H33.002 accurately reflects the documented clinical reality. Fabricating or assuming a break type to use a βmore specificβ code when the physician has not documented it is a compliance violation.
Scenario 2 β Left Eye RRD Discovered on Routine Exam, Macula-On, Single Break Found (Outpatient)
Clinical Vignette: A 61-year-old high myope is seen for annual dilated eye exam. Asymptomatic. Peripheral fundus exam reveals a superior left eye rhegmatogenous retinal detachment with a single horseshoe tear at 11 oβclock, macula-on. Referred same-day to retinal surgeon for urgent repair.
ICD-10-CM (Outpatient Referral Note):
- H33.012 β Retinal detachment with single break, left eye (single horseshoe tear documented β upgrade from H33.002 to specific break code)
- H44.22 β Degenerative myopia, left eye (underlying risk factor)
H33.012 β Not H33.002 β When Single Break Is Documented
Scenario 3 β Left Eye RRD with Prior Right Eye Detachment History (Outpatient)
Clinical Vignette: A 49-year-old pseudophakic female (bilateral cataract surgery 2 years ago) presents with new-onset floaters and a temporal shadow in the left eye. Exam confirms a left eye peripheral RRD β break type not further specified in the clinic note. She has a history of right eye RRD repair 3 years ago, currently stable.
CPT Codes:
- 92014 β Comprehensive ophthalmological exam, established patient
- 76512 β B-scan ultrasound, left eye, to confirm extent
ICD-10-CM:
- H33.002 β Unspecified retinal detachment with retinal break, left eye (active β current detachment; break type not specified in clinic note)
- Z96.652 β Presence of left artificial lens (pseudophakia β risk factor)
- Z96.651 β Presence of right artificial lens (bilateral pseudophakia)
- Z87.39X β Personal history of other musculoskeletal disorders (prior right eye RRD β historical)
Scenario 4 β ER Diagnosis via B-Scan β Media Opaque (Emergency Department)
Clinical Vignette: A 72-year-old female presents to the ED with sudden painless vision loss, left eye. Dense vitreous hemorrhage prevents direct fundus visualization. B-scan ultrasound is performed, demonstrating a V-shaped membranous elevation in the left vitreous cavity extending to the optic nerve and ora serrata β consistent with rhegmatogenous retinal detachment. Transfer to retinal center arranged. Break type: not determinable by B-scan.
CPT / HCPCS:
- 99285 β Emergency department visit, high complexity
- 76512-26 β B-scan ophthalmic ultrasound, left eye, professional component only
ICD-10-CM:
- H33.002 β Unspecified retinal detachment with retinal break, left eye (rhegmatogenous confirmed by B-scan; break type indeterminate)
- H43.12 β Vitreous hemorrhage, left eye (documented β prevented direct visualization)
β οΈ Coding Pitfalls and Tips
| Pitfall or Tip | |
|---|---|
| β | Do not default to H33.002 if break type is documented β single break β H33.012; multiple breaks β H33.022; giant tear β H33.032; dialysis β H33.042; total β H33.052 |
| β | Do not use H33.002 for a retinal break WITHOUT detachment β breaks only (no subretinal fluid, no detachment) map to H33.3x β e.g., H33.312 horseshoe tear left eye without detachment |
| β | Do not code H33.002 for serous or traction detachments β those are Excludes 1; mechanism determines the code family |
| β | Do not forget modifier -LT when billing surgical repair CPT codes for left eye only β laterality modifiers are required on major ophthalmic procedures |
| β | Do not use bilateral code H33.003 unless BOTH eyes are documented with retinal detachment β H33.002 is correct for left eye only involvement |
| β | H33.002 is the query trigger β if break type is unknown, use it temporarily and review the operative report for specificity upgrade |
| β | Macula status is CDI gold β document βmacula-onβ vs. βmacula-offβ in every RRD note; it drives surgical urgency, prognosis, and supports accurate clinical complexity documentation |
| β | Code co-existing risk factors β pseudophakia (Z96.652), high myopia (H44.22), aphakia (H27.02) add clinical context and support medical necessity |
| β | B-scan (76512) is standard when media opacity prevents direct fundus visualization β bill with -26 (professional component) when radiologist/physician provides the interpretation |
| β | Check the post-op note AND the operative report β break type is often specified in the intraoperative findings section even when the pre-op assessment says βunspecifiedβ |
π Sources
-
CMS/NCHS. ICD-10-CM Official Guidelines for Coding and Reporting, FY2026. Tabular List β H33.002; H33.0 Retinal detachment with retinal break subcategory structure; Excludes 1/2 notations; laterality guidelines.
-
American Medical Association (AMA). CPT 2026 Professional Edition. Surgical procedures: Posterior Segment β Repair of Retinal Detachment (67107, 67108, 67110, 67145); Ophthalmic Ultrasound (76512).
-
American Academy of Ophthalmology (AAO). Basic and Clinical Science Course (BCSC), Section 12: Retina and Vitreous. Rhegmatogenous retinal detachments β pathophysiology, risk factors, break morphology classification, surgical management.
-
CMS. IPPS Final Rule FY2026 β MS-DRG Definitions Manual v43. MDC 02 β Diseases and Disorders of the Eye, DRGs 124β126.
-
CMS. ICD-10-PCS Reference Manual FY2026. Section 0 (Medical & Surgical), Body System 8 (Eye) β Vitreous, Retina, Sclera body part characters; left vs. right laterality distinctions.
-
CMS. NCCI Policy Manual for Medicare Services, current version. Ophthalmology chapter β bundling rules for surgical eye procedures and same-DOS diagnostic imaging.
-
CMS. Physician Fee Schedule Final Rule FY2026. Facility wRVU values β CPT 67108, 67107, 67110, 67145, 76512.
Crystal's MCW Coder Hub