🏥 CPT 55812 — Prostatectomy, Perineal Radical, With Lymph Node Biopsy(s) (Limited Pelvic Lymphadenectomy)
Quick Reference
wRVU: 18.24 | Global Period: 090 | Assistant Payable: Yes | Bilateral Indicator: 0 Rule: CPT 55812 carries a 90-day global period because it is a major open surgical procedure with substantial pre-, intra-, and postoperative work. The bilateral indicator of 0 reflects that the prostate is a single, non-paired midline organ, so the 150% bilateral payment adjustment concept does not apply. The pc/tc indicator of 0 reflects that this is a pure physician service code with no separate professional/technical component split, since surgical procedure codes are billed globally rather than split like diagnostic tests. Assistant surgeon billing is commonly supported given the complexity of perineal exposure and nodal dissection.
📋 Clinical Description
CPT 55812 describes an open radical perineal prostatectomy, in which the surgeon accesses the prostate through a curved incision in the perineum rather than through the abdomen, then removes the entire prostate gland, the attached seminal vesicles, and a limited number of pelvic lymph nodes for pathologic staging. The perineal approach avoids entry into the peritoneal cavity, which historically made it attractive for patients with prior abdominal surgery, but it does not allow the surgeon to visualize the C61-associated extraprostatic soft tissue as directly as the retropubic or robotic-assisted approaches.
This code sits between 55810, which describes the same perineal approach without any nodal sampling, and 55815, which adds a more extensive bilateral pelvic lymphadenectomy rather than a limited biopsy. Compared to the laparoscopic and robotic-assisted retropubic family (55866/55868/55869), 55812 reflects an open, non-minimally-invasive technique, and the two code families are never reported together for the same operative session.
This procedure may be performed in the following clinical contexts:
- Definitive surgical management of clinically localized C61 in a patient who has elected surgery over radiation or active surveillance.
- Treatment of biopsy-proven prostate cancer with a rising R97.21 pattern that prompted definitive intervention.
- Cases where a perineal approach is preferred due to prior extensive abdominal or pelvic surgery that would complicate a retropubic exposure.
- Patients with a body habitus (e.g., significant obesity) that makes the perineal approach technically more favorable than a retropubic or robotic approach.
- Salvage or planned staging surgery where limited nodal sampling, rather than an extended bilateral dissection, is clinically indicated based on preoperative risk stratification.
🔬 Anatomical & Procedural Considerations
| Variant | Mechanism | Key Notes |
|---|---|---|
| Perineal Exposure | The patient is placed in an exaggerated lithotomy position, and a curved incision is made anterior to the anus to access the prostate directly through the perineal space, avoiding the peritoneal cavity entirely. This approach provides excellent visualization of the vesicourethral anastomosis but limits access to the pelvic sidewalls. Nerve-sparing technique can still be performed but is technically more demanding than in the retropubic approach. | Documentation should clearly state “perineal” approach to differentiate from the retropubic prostatectomy family, since these are reported with entirely different CPT codes. |
| Prostate and Seminal Vesicle Removal | The entire prostate gland is mobilized off the bladder neck and rectum, and the seminal vesicles are dissected free and removed en bloc with the specimen. The vesicourethral anastomosis is then reconstructed to restore urinary continuity. This is the “radical” component that distinguishes 55812 from simple or subtotal prostatectomy codes. | Pathology should confirm margin status on both the prostate and seminal vesicles, which directly affects staging and any subsequent radiation therapy decisions. |
| Limited Pelvic Lymph Node Biopsy | A limited number of obturator and/or external iliac lymph nodes are sampled through the perineal or an adjunctive small incision, rather than performing a full bilateral lymphadenectomy. The intent is diagnostic staging rather than therapeutic nodal clearance. | If the operative note describes a full bilateral pelvic lymphadenectomy including external iliac, hypogastric, and obturator nodes, 55815 is the correct code, not 55812. |
Clinical Pearl
The defining documentation elements for 55812 versus its siblings are the perineal (not retropubic) approach and a limited (not bilateral/extended) node sampling. If either element is missing or contradicted in the operative note, cross-check against 55810, 55815, or the retropubic/laparoscopic family before finalizing the code.
✅ Procedure Includes
- Perineal incision, exposure, and mobilization of the prostate gland from the bladder neck, rectum, and surrounding fascia.
- Complete removal of the prostate gland and attached seminal vesicles as a single specimen.
- Limited sampling (biopsy) of pelvic lymph nodes for pathologic staging purposes.
- Reconstruction of the vesicourethral anastomosis to restore continuity between the bladder and urethra.
- Placement of a urinary catheter and closure of the perineal incision.
- Routine postoperative wound care and management within the global period.
❌ Excludes / Do Not Report Together
| Code | Description | Relationship |
|---|---|---|
| 55810 | Prostatectomy, perineal radical | Describes the identical perineal radical approach but without any lymph node sampling; use this code instead of 55812 if the operative note does not document any nodal biopsy. |
| 55815 | Prostatectomy, perineal radical, with bilateral pelvic lymphadenectomy, including external iliac, hypogastric, and obturator nodes | Represents a more extensive, therapeutic-intent bilateral node dissection rather than a limited diagnostic biopsy; do not report 55812 and 55815 together for the same session. |
| 55866 | Laparoscopy, surgical prostatectomy, retropubic radical, including nerve sparing, includes robotic assistance, when performed | Describes a minimally invasive retropubic approach rather than an open perineal approach; the two are mutually exclusive for the same operative encounter. |
| 55840 | Prostatectomy, retropubic radical, with or without nerve sparing | Describes an open retropubic (not perineal) approach without lymphadenectomy; selection depends entirely on the documented surgical access route. |
Bundling Alert
Because 55812 carries a 090-day global period, any related E/M visits, incidental minor procedures, or planned staged returns to the OR within that window are generally bundled unless appended with modifiers such as -24, -58, -78, or -79. NCCI edits bundle diagnostic cystoscopy and simple lymph node excision codes into 55812 when performed at the same operative session, since the nodal biopsy is inherent to the procedure descriptor. Reporting 55812 alongside 55810 or 55815 for the same encounter is a frequent audit trigger and should be reconciled against the operative note before claim submission.
🌳 Code Tree — Surgery: Male Genital System, Prostate
CPT 55700-55899 Surgical Procedures on the Prostate
│
├── 55700-55706 Incision and Biopsy (Prostate)
│ ├── 55700 Biopsy, prostate; needle or punch, single or multiple, any approach
│ └── 55706 Biopsies, prostate, needle, transperineal, stereotactic template guided saturation sampling, including imaging guidance
│
├── 55801-55865 Excision (Prostate)
│ ├── 55801 Prostatectomy, perineal, subtotal, any method (Global: 090)
│ ├── 55810 Prostatectomy, perineal radical (Global: 090)
│ ├── ▶▶ 55812 ◀◀ Prostatectomy, perineal radical, with lymph node biopsy(s) (limited pelvic lymphadenectomy) ← YOU ARE HERE (Global: 090)
│ ├── 55815 Prostatectomy, perineal radical, with bilateral pelvic lymphadenectomy, including external iliac, hypogastric, and obturator nodes (Global: 090)
│ └── 55840 Prostatectomy, retropubic radical, with or without nerve sparing (Global: 090)
│
└── 55866-55869 Laparoscopy (Prostate)
├── 55866 Laparoscopy, surgical prostatectomy, retropubic radical, including nerve sparing, includes robotic assistance, when performed
└── 55868 Laparoscopy, surgical prostatectomy, retropubic radical...with lymph node biopsy(ies) (limited pelvic lymphadenectomy)💰 RVU & Reimbursement Profile
| Component | Value |
|---|---|
| Work RVU | 18.24 (calculated from 2025 wRVU of 18.71 with CMS’s finalized -2.5% CY2026 efficiency adjustment for non-time-based codes; verify against your MAC’s published 2026 PFS file before relying on it for contracting) |
| Global Period | 090 |
| Bilateral Indicator | 0 |
| Assistant Surgeon | Payable with documentation supporting medical necessity |
| Co‑Surgeon | Not typically supported; single-surgeon procedure |
| Team Surgery | Not applicable |
| PC/TC Split | 0 — physician service code, no separate technical component |
| Modifier -51 Exempt | No |
| Anesthesia | Typically general or regional anesthesia; crosswalks to anesthesia base units under the perineal/pelvic anesthesia code family |
Bilateral Billing Rules
🏷️ Modifier Reference
| Modifier | Name | When to Apply |
|---|---|---|
| -22 | Increased Procedural Services | Apply when the operative note documents substantially greater difficulty than typical, such as extensive adhesions from prior surgery, with supporting documentation of the additional time and complexity. |
| -51 | Multiple Procedures | Apply when 55812 is reported with another separately identifiable, unbundled procedure during the same operative session, subject to payer-specific ranking rules. |
| -52 | Reduced Services | Apply when a planned component of the procedure, such as the nodal biopsy, is not completed and the operative note documents the reduced scope. |
| -53 | Discontinued Procedure | Apply when the procedure is started but terminated early due to extenuating circumstances threatening the patient’s well-being, as documented in the operative note. |
| -58 | Staged/Related Procedure | Apply for a planned or more extensive related procedure performed during the 90-day global period, such as a staged nodal dissection. |
| -59 | Distinct Procedural Service | Apply only when a separate, non-bundled procedure is performed at a different site or session and is not otherwise described by a more specific modifier. |
| -78 | Return to OR, Related Procedure | Apply when the patient returns to the operating room during the global period for a complication of the original surgery, such as bleeding requiring re-exploration. |
| -79 | Unrelated Procedure, Same Postop Period | Apply when an unrelated procedure is performed by the same physician during the 90-day global period following 55812. |
| -80 | Assistant Surgeon | Apply when a fully qualified physician assistant surgeon actively participates throughout the procedure, with documentation of their specific role. |
| -81 | Minimum Assistant Surgeon | Apply when assistant surgeon involvement is brief and limited to a discrete portion of the case rather than the full procedure. |
| -82 | Assistant Surgeon (Qualified Resident Unavailable) | Apply in a teaching facility only when documentation confirms no qualified resident was available to assist. |
| -AS | PA/NP/CNS Assistant at Surgery | Apply when a non-physician practitioner serves as the assistant at surgery, per payer-specific coverage policy. |
| -RT / -LT / -50 | Right / Left / Bilateral | Not applicable. The prostate is a single, non-paired midline organ, so laterality and bilateral modifiers do not apply to this code. |
🩺 Common ICD‑10‑CM Pairings
Primary Diagnosis Group
| ICD‑10 | Description | HCC? | Notes |
|---|---|---|---|
| C61 | Malignant neoplasm of prostate | Yes | The overwhelming majority of radical prostatectomies are performed for biopsy-confirmed prostate cancer, making this the expected principal diagnosis. |
| D07.5 | Carcinoma in situ of prostate | No | Reported when pathology confirms a non-invasive, in-situ lesion rather than invasive carcinoma, which is uncommon as the sole indication for radical surgery. |
| R97.21 | Rising PSA following treatment for malignant neoplasm of prostate | No | Appropriate when surgery follows a documented rising PSA trend in a patient previously treated for prostate cancer, such as in a salvage setting. |
| N40.1 | Benign prostatic hyperplasia with lower urinary tract symptoms | No | Reported as a secondary diagnosis when concurrent symptomatic BPH is documented alongside the malignancy driving the surgery. |
| Z85.46 | Personal history of malignant neoplasm of prostate | No | Used on follow-up encounters after the radical prostatectomy, not on the operative encounter itself where active cancer is still present. |
Secondary Group
| ICD‑10 | Description | HCC? | Notes |
|---|---|---|---|
| N40.0 | Benign prostatic hyperplasia without lower urinary tract symptoms | No | Captures documented BPH that does not currently produce LUTS but is clinically relevant to the surgical plan. |
| R33.8 | Other retention of urine | No | Supports medical necessity when preoperative urinary retention contributed to the decision for surgical intervention. |
Etiology / Complication
| ICD‑10 | Description | HCC? | Notes |
|---|---|---|---|
| N99.11 | Postprocedural erectile dysfunction | No | A well-recognized complication of radical prostatectomy related to periprostatic nerve disruption, reportable when documented postoperatively. |
| N99.820 | Postprocedural hemorrhage of a male genital organ following a genitourinary system procedure | No | Reported when postoperative bleeding requiring intervention is documented as a complication of this specific procedure. |
Coding Specificity Reminder
Always confirm the operative and pathology reports agree on both the surgical approach (perineal vs. retropubic vs. laparoscopic) and the extent of nodal sampling (limited biopsy vs. bilateral lymphadenectomy) before finalizing the CPT selection, since these two documentation elements are what separate 55812 from its closest siblings.
🏥 MS‑DRG Considerations
As an inpatient procedure, 55812 groups to MDC 12 (Diseases and Disorders of the Male Reproductive System) under MS-DRG 707, 708, or 709 depending on documented complications and comorbidities. MS-DRG 707 (Major Male Pelvic Procedures with MCC) requires a qualifying major complication or comorbidity such as postoperative hemorrhage requiring transfusion, while MS-DRG 708 requires a qualifying CC such as documented anemia or urinary retention, and MS-DRG 709 applies when no CC or MCC is present. Complete and specific capture of postoperative complications, such as N99.820, directly affects DRG assignment and should never be under-documented relative to what the clinical course actually supports.
🔧 ICD‑10‑PCS Equivalents
| PCS Code | Full Description | Modality |
|---|---|---|
| 0VT00ZZ | Resection of Prostate, Open Approach | Open surgical |
| 07BL0ZZ | Excision of Right Pelvic Lymphatic, Open Approach | Open surgical |
| 07BM0ZZ | Excision of Left Pelvic Lymphatic, Open Approach | Open surgical |
| 0VTC0ZZ | Resection of Bilateral Seminal Vesicles, Open Approach | Open surgical |
PCS Character Analysis (primary code 0VT00ZZ)
| Position | Character | Value | Definition |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical section, covering the vast majority of operative procedures reported in the inpatient facility setting. |
| 2 | Body System | V | Male Reproductive System, the body system containing the prostate and related structures. |
| 3 | Root Operation | T | Resection, defined as cutting out or off, without replacement, all of a body part; this fits the complete removal of the prostate gland. |
| 4 | Body Part | 0 | Prostate, the specific anatomic structure being entirely removed during this procedure. |
| 5 | Approach | 0 | Open, reflecting direct cutting through the skin and perineal soft tissue to reach the operative site. |
| 6 | Device | Z | No Device, since no implant, graft, or other device is left in place as part of the resection itself. |
| 7 | Qualifier | Z | No Qualifier, since no additional qualifying detail applies to this specific resection code. |
Root Operation Comparison
- Resection (0VT00ZZ) applies because the entire prostate gland is removed, distinguishing it from Excision, which would apply only if a portion of the gland were removed instead.
- The pelvic lymph node sampling is coded separately as Excision (07BL0ZZ/07BM0ZZ) rather than Resection, since only a limited, non-comprehensive portion of the lymphatic tissue is removed for diagnostic purposes.
- The seminal vesicles are coded as a separate Resection (0VTC0ZZ) because they are anatomically distinct structures from the prostate, even though both are removed together in the same operative session.
📝 Coding Examples
Example 1
Clinical Scenario: A 64-year-old male with biopsy-confirmed Gleason 7 adenocarcinoma of the prostate is admitted for elective radical perineal prostatectomy. The surgeon documents a standard perineal incision with complete removal of the prostate and seminal vesicles, followed by limited sampling of the right and left obturator lymph nodes for staging. Final pathology confirms organ-confined disease with negative margins and no nodal involvement. The patient’s postoperative course is uncomplicated, and he is discharged on postoperative day two with a urinary catheter in place.
| Field | Code | Rationale |
|---|---|---|
| CPT | 55812 | The documentation confirms both a perineal approach and a limited (not bilateral extended) nodal biopsy, matching the descriptor for 55812 exactly. |
| PDx | C61 | Biopsy-confirmed prostate adenocarcinoma is the clear reason for the surgical admission and remains the principal diagnosis. |
Note
This is a clean, textbook presentation of 55812 with no additional complexity. Documentation of laterality of the nodal sampling (right and left) supports the two separate PCS excision codes for the inpatient facility claim.
Example 2
Clinical Scenario: A 71-year-old male undergoes the same perineal radical prostatectomy with limited pelvic node biopsy, but on postoperative day one develops significant scrotal and perineal hematoma requiring an unplanned return to the operating room for evacuation and hemostasis through the original incision.
| Field | Code | Rationale |
|---|---|---|
| CPT 1 | 55812 | Represents the original, planned radical prostatectomy with limited nodal biopsy performed on the index admission day. |
| CPT 2 | 55812--78 | Modifier -78 identifies the unplanned return to the operating room for a complication of the original related procedure within the global period; note the return procedure itself would typically be coded separately based on what was actually performed (e.g., hematoma evacuation), shown here for global-period modifier logic. |
| PDx | C61 | Prostate cancer remains the underlying reason for the overall episode of care despite the postoperative complication. |
Warning
Example 3
Clinical Scenario: A 68-year-old male with a rising PSA six years after external beam radiation therapy for prostate cancer is found on repeat biopsy to have recurrent, organ-confined disease. He undergoes salvage radical perineal prostatectomy with limited pelvic lymph node biopsy, performed by a urologic oncologist with a qualified assistant surgeon actively participating throughout the case due to the increased complexity of dissecting through previously irradiated tissue planes. The surgeon documents significantly increased operative difficulty due to radiation fibrosis.
| Field | Code | Rationale |
|---|---|---|
| CPT | 55812--22 | Modifier -22 is supported by documentation of substantially increased difficulty from radiation fibrosis, which materially extended operative time and complexity beyond the typical case. |
| PDx | R97.21 | The rising PSA after prior definitive radiation therapy is the clinical driver for this salvage surgical encounter. |
Global period reminder
Salvage surgery after prior radiation still triggers a full 90-day global period from this encounter forward; any related postoperative visits or complications within that window are bundled unless a global-period modifier applies.
⚠️ Common Coding Pitfalls
- Pitfall 1: Selecting 55812 when the operative note actually describes a full bilateral pelvic lymphadenectomy rather than a limited biopsy; this should instead be coded to 55815, and the distinction hinges entirely on the documented extent of nodal dissection.
- Pitfall 2: Reporting 55812 when no lymph node sampling was performed at all; in that scenario, 55810 is the correct code, and appending an unsupported nodal-biopsy code is a compliance risk.
- Pitfall 3: Confusing the perineal approach with the retropubic or laparoscopic/robotic approach; these map to entirely different CPT code families (55810-55815 versus 55840 versus 55866-55869), and the operative note’s stated approach must be checked carefully.
- Pitfall 4: Appending modifier -50 or laterality modifiers (-RT/-LT) to 55812, which is never appropriate since the prostate is a single midline organ and the code descriptor does not contemplate bilateral reporting in that sense.
- Pitfall 5: Failing to capture postoperative complications such as N99.820 or urinary retention with full specificity, which can understate the true clinical complexity and affect MS-DRG assignment on the inpatient claim.
- Pitfall 6: Applying modifier -22 without objective documentation of materially increased time, difficulty, or complexity; payers routinely deny or downcode -22 claims that lack a clear narrative justification in the operative note.
📎 Sources
2026 CPT Professional Edition (American Medical Association)¹; Calendar Year 2026 Medicare Physician Fee Schedule Final Rule, CMS-1832-F²; AAPC Codify CPT Code 55812 reference³; AAPC Urology Coding Alert, “Prepare for New Prostate Procedure CPT Codes in 2026,” November 2025⁴
1. American Medical Association, CPT 2026 Professional Edition. 2. Centers for Medicare & Medicaid Services, CY 2026 Medicare Physician Fee Schedule Final Rule (CMS-1832-F), cms.gov. 3. AAPC Codify, CPT Code 55812, aapc.com/codes/cpt-codes/55812. 4. AAPC, “Urology Coding: Prepare for New Prostate Procedure CPT Codes in 2026,” aapc.com, November 11, 2025.