🩺 CPT Code 55866 - Laparoscopy, Surgical Prostatectomy, Radical, Retropubic, Including Nerve Sparing; Includes Robotic Assistance When Performed


πŸ“‹ Code Description

Full Official Description: Laparoscopy, surgical prostatectomy, radical, retropubic, including nerve sparing, includes robotic assistance when performed

CPT 55866 describes a laparoscopic radical prostatectomy (LRP) performed via a retropubic approach, with or without nerve-sparing technique, and inclusive of robotic-assisted technology when utilized. This is the correct CPT code for the widely performed robotic-assisted laparoscopic prostatectomy (RALP) β€” most commonly performed using the da Vinci Surgical System β€” and encompasses the entire surgical procedure including all components of the radical prostatectomy regardless of whether nerve sparing is performed on one or both sides.

The procedure involves:

  • Laparoscopic or robotic port placement (typically 5-6 ports for robotic approach)
  • Development of the space of Retzius (retropubic space) or alternatively a transperitoneal approach to the prostate
  • Bladder neck dissection and separation from the prostate base
  • Seminal vesicle and vas deferens dissection and excision
  • Nerve-sparing dissection along the neurovascular bundles (NVBs) when indicated and oncologically appropriate β€” unilateral or bilateral
  • Apical dissection and division of the urethra
  • Complete excision of the prostate gland with attached seminal vesicles
  • Vesicourethral anastomosis (bladder neck to urethral stump reconstruction)
  • Specimen extraction via an extended port site or Pfannenstiel incision
  • Pelvic drain placement when indicated

⚠️ Critical Coding Point: 55866 includes robotic assistance within the code descriptor. There is no separate CPT code for robotic assistance (e.g., S2900 is a HCPCS code used by some payers and facilities but is not universally accepted and is generally not separately reimbursed by Medicare). The robotic platform is bundled into 55866 by AMA definition.


πŸ’° Work RVUs & Payment

ComponentValue
wRVU (Facility)34.25
wRVU (Non-Facility)34.25
Global Period090 (ninety days)
Assistant Payableβœ… Yes (indicator: 1)
Co-Surgeryβœ… Yes (indicator: 1)
Team Surgery❌ No (indicator: 0)
Bilateral SurgeryN/A
Multiple Procedure Indicator2 (standard reduction applies)
Endoscopic Base CodeN/A
Robotic PlatformIncluded β€” do not bill separately

90-Day Global Period: All related services β€” including standard postoperative visits, catheter management, and routine complications β€” are bundled into the global surgical package for 90 days post-operatively. Separately billable services within the global include unrelated conditions, return to the OR, and staged procedures.

Assistant at Surgery: 55866 carries an assistant surgeon indicator of 1, meaning Medicare and most commercial payers will reimburse an assistant surgeon at typically 16% of the primary surgeon’s allowable when billed with modifier -80, -81, or -AS (for a PA/NP first assist). Robotic console-side assistance is common and should be clearly documented.


βœ… What’s Included (Bundled into 55866)

The following are not separately reportable when performed as part of the same operative session as 55866:

  • All laparoscopic port placements and trocar insertions
  • Robotic system docking and undocking (da Vinci or equivalent)
  • Bladder neck dissection
  • Seminal vesicle dissection and removal (bilateral)
  • Vas deferens ligation and excision (bilateral)
  • Nerve-sparing dissection β€” unilateral or bilateral (the descriptor states β€œincluding nerve sparing”)
  • Urethral dissection and division at the apex
  • Vesicourethral anastomosis (posterior reconstruction of Rocco stitch and anastomosis)
  • Pelvic drain placement (when performed as part of standard closure)
  • Foley catheter placement
  • Local/regional anesthesia administration by the surgeon (unusual; typically anesthesia bills separately)
  • Standard intraoperative blood loss management
  • Specimen extraction

🚫 Excludes / Separately Reportable

ServiceSeparately Reportable CodeNotes
Pelvic lymph node dissection (PLND)38571, 38572See section below β€” critical add-on distinction
Limited pelvic lymph node biopsy (sentinel or limited)38562Fewer nodes than full PLND
Cystourethroscopy performed for separate diagnostic purpose52000Append modifier -59 or -XU
Urethral dilation at same session (unrelated)53600-53665Only if distinct separate service
Robotic assistance HCPCS codeS2900Facility use only; not Medicare-payable; some commercial payers
Postoperative complications requiring return to ORAppropriate surgical code + modifier -78Within global period
Unrelated E/M during globalAppropriate E/M + modifier -24Must be unrelated to surgery
Staged procedure during globalAppropriate procedure code + modifier -58Planned/staged
Conversion to open (if converted mid-case)55840, 55845 + modifier -53 on 55866Rare; document reason thoroughly

πŸ”΄ Pelvic Lymph Node Dissection β€” Critical Add-On Consideration

This is one of the most important separately reportable services in radical prostatectomy coding:

CPTDescriptionWhen to Use
38571Laparoscopic bilateral pelvic lymphadenectomy, including external iliac, hypogastric, and obturator nodesExtended/standard bilateral PLND performed laparoscopically at same session as 55866
38572Laparoscopic bilateral pelvic lymphadenectomy + peritoneal evaluation + diaphragm/pelvic washingsIf washings and peritoneal evaluation are also performed
38562Limited pelvic and para-aortic lymph node samplingSentinel or sampling only, not full PLND

βœ… Billing Tip: 38571 is separately payable with 55866 per CMS and is not bundled under NCCI edits when a true pelvic lymphadenectomy is performed. Documentation must clearly describe the extent of the dissection: the obturator fossa, external iliac, and hypogastric (internal iliac) nodal packets must all be mentioned to support 38571.


🌿 Code Tree / Family

Male Genital System - Prostate - Radical Prostatectomy (55801-55866)
β”‚
β”œβ”€β”€ 55801  Prostatectomy; perineal, subtotal (including nerve-sparing)
β”‚
β”œβ”€β”€ 55810  Prostatectomy; radical perineal
β”œβ”€β”€ 55812  Prostatectomy; radical perineal, with lymph node biopsy(s)
β”œβ”€β”€ 55815  Prostatectomy; radical perineal, with bilateral pelvic
β”‚              lymphadenectomy, incl. external iliac, hypogastric, obturator
β”‚
β”œβ”€β”€ 55840  Prostatectomy; retropubic radical, w/ or w/o nerve sparing
β”œβ”€β”€ 55842  Prostatectomy; retropubic radical, with lymph node biopsy(s)
β”œβ”€β”€ 55845  Prostatectomy; retropubic radical, with bilateral pelvic
β”‚              lymphadenectomy, incl. external iliac, hypogastric, obturator
β”‚
└── 55866  β—€ YOU ARE HERE
               Laparoscopy, surgical prostatectomy, radical, retropubic,
               including nerve sparing; includes robotic assistance
               when performed
               β”œβ”€β”€ May add: 38571 - Laparoscopic bilateral pelvic
               β”‚           lymphadenectomy (separately reportable)
               └── May add: 38572 - Laparoscopic bilateral pelvic
                           lymphadenectomy with peritoneal evaluation

πŸ“Œ Open vs. Laparoscopic/Robotic Comparison

ApproachCPT CodeNerve Sparing Included?PLND Included?
Open retropubic, no PLND55840βœ… Yes (descriptor)❌ No
Open retropubic, node biopsy55842βœ… YesLimited only
Open retropubic, full bilateral PLND55845βœ… Yesβœ… Yes - bundled
Open perineal radical55810❌ No❌ No
Open perineal + node biopsy55812❌ NoLimited only
Open perineal + full bilateral PLND55815❌ Noβœ… Yes - bundled
Laparoscopic/Robotic55866βœ… Yes - bundled❌ Separately reportable

⚠️ Key Distinction: Unlike open codes 55845 and 55815, which bundle bilateral pelvic lymphadenectomy into the code itself, 55866 does NOT include PLND. When PLND is performed laparoscopically alongside 55866, it is separately reported with 38571 or 38572.


πŸ₯ ICD-10-CM Commonly Paired Diagnoses

πŸ”΄ Primary β€” Prostate Cancer (Most Common Indication)

ICD-10-CMDescriptionHCCNotes
C61Malignant neoplasm of prostateβœ… HCC 12Primary indication for radical prostatectomy in nearly all cases

C61 is the overwhelmingly dominant diagnosis for 55866. Radical prostatectomy is a curative-intent surgery performed for clinically localized or locally advanced prostate cancer. Other diagnoses rarely drive this procedure.

πŸ”΄ Staging / Risk Stratification Context Diagnoses

ICD-10-CMDescriptionHCCNotes
Z17.39Other contact with and (suspected) exposure to other hazardous substances❌ NoRarely applicable
Z80.42Family history of prostate cancer❌ NoSecondary/supplemental; documents risk
Z85.46Personal history of malignant neoplasm of prostate❌ NoPost-treatment β€” use AFTER prostatectomy for follow-up visits; do NOT use as active cancer code

πŸ”΄ Incontinence / Sexual Dysfunction β€” Post-Prostatectomy (Global Period & Follow-Up)

The following are commonly used during the 90-day global period or follow-up after 55866 but are bundled unless separately documented as unrelated or staged:

ICD-10-CMDescriptionHCCNotes
N39.3Stress incontinence (male)❌ NoPost-prostatectomy urinary incontinence
N39.41Urge incontinence❌ NoPost-op overactive bladder
N52.01Erectile dysfunction due to arterial insufficiency❌ NoPost-nerve sparing; vascular etiology
N52.02Corporo-venous occlusive erectile dysfunction❌ NoPost-nerve sparing; venogenic
N52.03Combined arterial insufficiency and corporo-venous occlusive ED❌ NoMost common post-RP ED mechanism
N52.9Male erectile dysfunction, unspecified❌ NoUse only if etiology not documented

πŸ”΄ Intraoperative / Perioperative Complications

ICD-10-CMDescriptionHCCNotes
N99.510Cystostomy hemorrhage❌ NoPost-op bleeding at anastomosis
T81.32XADisruption of internal operation wound, not elsewhere classified, initial encounter❌ NoAnastomotic leak
N13.8Other obstructive and reflux uropathy❌ NoPost-op stricture/obstruction
N35.812Other urethral stricture, male, membranous urethra❌ NoVesicourethral anastomotic stricture
R33.9Retention of urine, unspecified❌ NoPost-catheter removal retention

πŸ”΄ Lymph Node Pathology (When PLND Performed Concurrently)

ICD-10-CMDescriptionHCCNotes
C77.5Secondary and unspecified malignant neoplasm of intrapelvic lymph nodesβœ… HCC 8Lymph node metastases found on PLND β€” significant HCC impact
D36.0Benign neoplasm of lymph nodes❌ NoRare; benign nodal pathology

πŸ’‘ HCC Details

C61 - Malignant Neoplasm of Prostate β†’ HCC 12

FieldDetail
HCC CategoryHCC 12 β€” Prostate, Testicular, and Other Male Genital Cancers
CMS-HCC ModelVersion 28 (current)
RAF Score~0.149 (community, non-dual)
Clinical SignificanceFlags patient as high-complexity for risk-adjusted payment models
Documentation RequirementMust be documented as active malignancy; surgical treatment (prostatectomy) confirms active cancer status
Post-Surgery CodingAfter prostatectomy with clear margins: transition to Z85.46 (personal history) at appropriate follow-up once oncologist documents no evidence of disease (NED)
PSA RecurrenceIf PSA rises post-prostatectomy: R97.21 (rising PSA after treatment) Β± C61 if recurrence confirmed

C77.5 - Secondary Malignant Neoplasm, Intrapelvic Lymph Nodes β†’ HCC 8

FieldDetail
HCC CategoryHCC 8 β€” Metastatic Cancer and Acute Leukemia
RAF Score~2.659 (community, non-dual) β€” extremely high RAF impact
Clinical SignificanceNode-positive prostate cancer (pN1) dramatically increases risk score
Documentation RequirementRequires pathology confirmation of lymph node metastases; intraoperative frozen section or final pathology
Code PairingAlways code C61 + C77.5 together when pelvic node metastases are confirmed β€” C61 is the primary site, C77.5 is the secondary

πŸ”§ Applicable Modifiers

ModifierDescriptionApplication to 55866
-80Assistant SurgeonPrimary assistant surgeon (MD/DO); reimbursed at ~16% of allowable
-81Minimum Assistant SurgeonSecond assistant with limited participation; less common for RARP
-ASPA/NP/CNS as Assistant SurgeonBedside assistant (non-physician); commonly used for robotic bedside assistant
-62Two SurgeonsWhen two surgeons of different specialties perform distinct portions (rare for RARP; occasionally used if urologic oncologist + reconstructive surgeon)
-22Increased Procedural ServicesExceptional complexity (e.g., prior pelvic radiation, prior TURP, morbid obesity, salvage RP); must be documented with detailed operative note explaining increased time/difficulty
-52Reduced ServicesProcedure substantially less than typically required (e.g., aborted prior to anastomosis)
-53Discontinued ProcedureProcedure stopped due to medical emergency (e.g., cardiac event intraoperatively)
-58Staged ProcedureSubsequent procedure planned/staged within global (e.g., continent diversion performed later)
-78Unplanned Return to ORReturn for complication within global period (e.g., anastomotic leak requiring repair)
-79Unrelated Procedure During GlobalCompletely unrelated surgery within 90-day global
-24Unrelated E/M During GlobalPostop office visit for unrelated condition
-32Mandated ServicesWorkers’ comp or other mandated service contexts
-GAWaiver of Liability on FileABN-related; rarely applicable for cancer surgery
-LT / -RTLeft/Right SideNot typically applicable to prostate (midline organ); may apply if nerve sparing documented unilaterally for billing documentation purposes

🏨 MS-DRG (Inpatient)

55866 is frequently performed as an inpatient procedure, particularly when PLND is performed concurrently, robotic time is extended, or the patient’s comorbidity burden warrants overnight or 23-hour observation/admission. For inpatient admissions, the ICD-10-PCS procedure code is reported on the UB-04.

ICD-10-PCS Equivalents

ICD-10-PCSDescriptionNotes
0VT04ZZResection of Prostate, Percutaneous EndoscopicPrimary PCS code for robotic/laparoscopic radical prostatectomy
0VT07ZZResection of Prostate, Via Natural or Artificial OpeningRarely used for RP
07BC4ZXExcision of Pelvic Lymphatic, Percutaneous Endoscopic, DiagnosticLaparoscopic pelvic lymph node sampling (diagnostic/biopsy)
07BC4ZZExcision of Pelvic Lymphatic, Percutaneous EndoscopicLaparoscopic pelvic lymphadenectomy (therapeutic/staging)
07BB4ZZExcision of Left Inguinal Lymphatic, Percutaneous EndoscopicIf extended dissection performed

PCS Root Operation for Radical Prostatectomy: Resection (T) β€” cutting out or off, without replacement, all of a body part. This distinguishes from Excision (B), which is partial. A radical prostatectomy removes the entire prostate gland; therefore, Resection is the correct root operation.

PCS Root Operation for Pelvic Lymph Node Dissection: Excision (B) with qualifier Z (No Qualifier) for therapeutic, or X (Diagnostic) for sampling/biopsy.

MS-DRG Assignment

MS-DRGDescriptionTypeTypical Scenario
715Other Male Reproductive System O.R. Procedures for Malignancy with MCCSurgicalC61 + MCCs (e.g., respiratory failure, sepsis, C77.5)
716Other Male Reproductive System O.R. Procedures for Malignancy with CCSurgicalC61 + CCs (e.g., N40.1, E11.9, I10)
717Other Male Reproductive System O.R. Procedures for Malignancy without CC/MCCSurgicalC61 only, no significant comorbidities
729Other Male Reproductive System O.R. Procedures with MCCSurgicalIf principal dx is not malignancy-related
730Other Male Reproductive System O.R. Procedures with CCSurgicalNon-malignancy principal dx with CC
731Other Male Reproductive System O.R. Procedures without CC/MCCSurgicalNon-malignancy, no comorbidities

πŸ₯ Inpatient Coder Note β€” MS-DRG Optimization Tips:

  • C61 as principal diagnosis routes to the 715-717 DRG triplet (malignancy-specific), which typically carries higher relative weights than the 729-731 triplet
  • C77.5 (pelvic lymph node metastases, confirmed on PLND) codes as an MCC in many grouper versions β€” this alone can move a case from DRG 717 β†’ 715, significantly impacting reimbursement
  • Comorbidities such as E11.9 (Type 2 DM), I10 (hypertension), N17.9 (acute kidney injury), and J44.1 (COPD exacerbation) may qualify as CCs or MCCs, impacting DRG assignment
  • Ensure the attending physician documents all comorbidities managed during the stay β€” query for conditions such as perioperative hypertensive urgency, blood transfusion indications, and post-op urinary retention as these may carry CC/MCC status
  • Prolonged LOS alone does not change the DRG β€” focus on documented and coded CCs/MCCs

DRG Relative Weights (Approximate β€” FY2025)

MS-DRGRelative WeightGeometric Mean LOS
715~4.2~6.5 days
716~2.4~3.8 days
717~1.5~2.1 days

πŸ“ Coding Examples


🟒 Example 1 - Standard Robotic Radical Prostatectomy, Organ-Confined Disease, No PLND

Clinical Scenario: A 58-year-old male with Gleason 7 (3+4) prostate cancer, clinical stage T2bN0M0, PSA 8.4. Low-intermediate risk. Robot-assisted laparoscopic radical prostatectomy performed with bilateral nerve sparing. No pelvic lymph node dissection performed (low-intermediate risk, Briganti nomogram <5% LN involvement). Estimated blood loss 150 mL. Specimen sent to pathology; final path: pT2c, Gleason 3+4=7, negative margins, seminal vesicles negative.

CPT Codes (Professional/Outpatient ASC):

ICD-10-CM:

  • C61 - Malignant neoplasm of prostate (primary indication)

Inpatient UB-04 (ICD-10-PCS):

  • Principal Dx: C61
  • Procedure: 0VT04ZZ - Resection of Prostate, Percutaneous Endoscopic

MS-DRG: 717 (no CCs/MCCs) or 716 if comorbidities documented and coded


🟒 Example 2 - Robotic Radical Prostatectomy WITH Bilateral Pelvic Lymphadenectomy

Clinical Scenario: A 63-year-old male with Gleason 4+4=8 (Grade Group 4) prostate cancer, clinical T3aN0M0, PSA 18.2. High-risk disease. RARP performed with bilateral nerve-sparing attempt on left side (non-nerve sparing on right per intraoperative findings). Bilateral extended pelvic lymph node dissection performed, removing external iliac, obturator fossa, and hypogastric nodal packets bilaterally. Final path: pT3a, Gleason 4+4, left margin positive, 2/18 pelvic lymph nodes positive for metastatic adenocarcinoma.

CPT Codes:

  • 55866 - RARP with nerve sparing (unilateral attempt; bilateral descriptor still applies)
  • 38571 - Laparoscopic bilateral pelvic lymphadenectomy (separately reportable; PLND not included in 55866)

ICD-10-CM:

  • C61 - Malignant neoplasm of prostate
  • C77.5 - Secondary malignant neoplasm of intrapelvic lymph nodes (confirmed on pathology)

Inpatient UB-04 (ICD-10-PCS):

  • Principal Dx: C61
  • Secondary Dx: C77.5 ← MCC β€” routes to DRG 715
  • Procedures:
    • 0VT04ZZ - Resection of Prostate, Percutaneous Endoscopic
    • 07BC4ZZ - Excision of Pelvic Lymphatic (bilateral), Percutaneous Endoscopic

MS-DRG: 715 (malignancy + MCC from C77.5)

πŸ’‘ Coder Note: The positive lymph nodes (C77.5) discovered intraoperatively or on final pathology must be coded on the inpatient claim when confirmed during that admission. C77.5 as an MCC dramatically impacts DRG weight and reimbursement β€” do not miss this.


🟒 Example 3 - Robotic RP with Increased Complexity (Prior TURP, Obesity)

Clinical Scenario: A 71-year-old male with known prostate cancer (C61), Gleason 7 (4+3), prior transurethral resection of prostate (TURP) 4 years ago, BMI 42 (morbid obesity). RARP performed; surgery required 6.5 hours due to extensive adhesions from prior TURP, obliterated tissue planes, and obesity-related technical difficulty. Operative note explicitly documents β€œsignificantly increased operative time, complexity, and risk due to prior TURP scarring and morbid obesity.”

CPT Codes:

  • 55866 - -22 - RARP with increased procedural services (modifier -22 requires documentation of unusual complexity and will likely require a cover letter to payer)

ICD-10-CM:

  • C61 - Malignant neoplasm of prostate
  • E66.01 - Morbid (severe) obesity due to excess calories (documents medical necessity for modifier -22)
  • Z87.891 - Personal history of other specified conditions (prior TURP)

Note: Modifier -22 should be submitted with a cover letter explaining the unusual circumstances. CMS does not have a specific process for -22 but allows it; commercial payers vary. Expect 10-30% additional reimbursement consideration if approved.


🟒 Example 4 - Inpatient Admission, Return to OR Within Global (Anastomotic Leak)

Clinical Scenario: Patient underwent RARP on Day 1 of admission. Discharged POD2. Readmitted POD5 with pelvic abscess and anastomotic leak. Return to OR for laparoscopic washout and drain placement.

CPT Codes (Return to OR):

  • 49323 - Laparoscopy, surgical; with drainage of lymphocele or cyst (if lymphocele) β€” or appropriate laparoscopic washout code
  • Append modifier -78 - Unplanned return to OR for complication during global period

ICD-10-CM:

  • T81.32XD - Disruption of internal operation wound, subsequent encounter
  • C61 - Underlying reason for original surgery (active malignancy)
  • K65.1 - Peritoneal abscess (pelvic)

Inpatient Note: Second admission is a separate encounter; code the complication as principal diagnosis for the second admission. C61 is secondary.


🟒 Example 5 - Assistant Surgeon Billing (Bedside Robotic Assistant)

Clinical Scenario: PA-C serves as bedside assistant during RARP. Attending urologist operates at robotic console. PA-C manages instruments at bedside, assists with exposure, and manages specimen extraction.

CPT Code (PA billing):

  • 55866 - -AS - Physician assistant as assistant at surgery

ICD-10-CM:

  • C61 - Malignant neoplasm of prostate

Payment: Medicare reimburses -AS modifier at 85% of the 16% assistant surgeon allowable = approximately 13.6% of the primary surgeon’s allowed amount. Commercial payers vary widely.


⚠️ Common Coding Pitfalls

  • ❌ Do not separately bill for robotic assistance (e.g., S2900) on the professional claim β€” it is bundled into 55866 by AMA descriptor; most payers will deny S2900 as a professional service
  • ❌ Do not assume PLND is included in 55866 β€” unlike open codes 55845/55815, laparoscopic PLND is separately reportable with 38571 or 38572
  • ❌ Do not use 55840 (open retropubic RP) for a robotic case β€” even if documentation says β€œretropubic approach,” if it was performed laparoscopically/robotically, 55866 is correct
  • ❌ Do not bill 55866 + 55840 together β€” they represent the same procedure via different approaches; report only one
  • ❌ Do not code Z85.46 (personal history of prostate cancer) during the same admission as the radical prostatectomy β€” C61 is the active cancer being treated
  • βœ… Always query the surgeon regarding nerve sparing laterality β€” while both unilateral and bilateral are bundled into 55866, documentation of nerve sparing affects prognostic coding and clinical completeness
  • βœ… Always review the final pathology report for lymph node status β€” positive nodes (C77.5) carry HCC 8 status and MS-DRG MCC designation; missed diagnosis = significant undercoding
  • βœ… Verify the operative note documents β€œpercutaneous endoscopic” or β€œlaparoscopic” approach for PCS β€” 0VT04ZZ requires the 4th character = 4 (Percutaneous Endoscopic); a hand-assisted laparoscopic approach may require a different character value
  • βœ… Modifier -22 requires both a detailed operative note AND typically a cover letter β€” submit proactively with the claim rather than waiting for a denial
  • βœ… During the 90-day global period, routine follow-up visits are bundled; only separately billable encounters are those for unrelated conditions (-24), staged procedures (-58), or complications requiring OR return (-78)

πŸ“Œ Quick Reference Summary

FieldValue
Code55866
TypeCPT - Surgical (Major)
SystemMale Genital
Body PartProstate (entire)
ApproachLaparoscopic / Robotic-Assisted
Robotic Inclusiveβœ… Yes
Nerve Sparing Inclusiveβœ… Yes (uni or bilateral)
PLND Inclusive❌ No β€” bill 38571/38572 separately
Global Period090 (90 days)
wRVU (Fac/Non-Fac)34.25
Assistant Payableβœ… Yes β€” 80, 81, AS
Modifier 22 Eligibleβœ… Yes β€” with documentation
PCS Equivalent0VT04ZZ
Primary DXC61 β†’ HCC 12
Node Met DXC77.5 β†’ HCC 8 (MCC)
MS-DRG (Malignancy)715 / 716 / 717
MS-DRG (Non-Malig)729 / 730 / 731

A few highlights specific to 55866 worth noting for your workflow:

  • The PLND distinction (bundled in open codes, separately reportable in 55866) is the single most impactful billing nuance for this code β€” it catches a lot of coders off guard
  • The C77.5 β†’ HCC 8 / MCC pathway is a high-value documentation opportunity that often goes uncoded when the PLND is performed but node-positive results come back after discharge
  • The PCS root operation distinction (Resection vs. Excision) for inpatient coding is critical β€” the whole gland = Resection (T), not Excision (B)

AMA CPT Professional Edition 2024 Β· CMS Physician Fee Schedule Look-Up Tool FY2025 Β· CMS-HCC Risk Adjustment Model v28 Β· CMS NCCI Policy Manual for Medicare Services v30 Β· AHA Coding Clinic for ICD-10-CM/PCS Β· CMS ICD-10-PCS Official Guidelines for Coding and Reporting FY2025 Β· CMS MS-DRG Grouper v41 Β· CMS IPPS Final Rule FY2025 Β· ACS NSQIP Prostatectomy Outcomes Data