ICD-10 · PDGM grouping
N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
All 44 codes in the N99 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
44
Can lead a claim
44
Cannot lead a claim
0
What CMS assigns to N99
All 44 codes group to MMTA - Gastrointestinal tract and Genitourinary system (22), Complex Nursing Interventions (16), MMTA - Other (4), Wound (1) and MMTA - Surgical Aftercare (1). None of the 44 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in N99
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| N99.0 | Postprocedural (acute) (chronic) kidney failure | Can lead a claim | J | None |
| N99.1 Postprocedural urethral stricture | ||||
| N99.11 Postprocedural urethral stricture, male | ||||
| N99.110 | Postprocedural urethral stricture, male, meatal | Can lead a claim | J | None |
| N99.111 | Postprocedural bulbous urethral stricture, male | Can lead a claim | J | None |
| N99.112 | Postprocedural membranous urethral stricture, male | Can lead a claim | J | None |
| N99.113 | Postprocedural anterior bulbous urethral stricture, male | Can lead a claim | J | None |
| N99.114 | Postprocedural urethral stricture, male, unspecified | Can lead a claim | J | None |
| N99.115 | Postprocedural fossa navicularis urethral stricture | Can lead a claim | A | None |
| N99.116 | Postprocedural urethral stricture, male, overlapping sites | Can lead a claim | J | None |
| N99.12 | Postprocedural urethral stricture, female | Can lead a claim | J | None |
| N99.2 | Postprocedural adhesions of vagina | Can lead a claim | A | None |
| N99.3 | Prolapse of vaginal vault after hysterectomy | Can lead a claim | J | None |
| N99.4 | Postprocedural pelvic peritoneal adhesions | Can lead a claim | J | None |
| N99.5 Complications of stoma of urinary tract | ||||
| N99.51 Complication of cystostomy | ||||
| N99.510 | Cystostomy hemorrhage | Can lead a claim | D | None |
| N99.511 | Cystostomy infection | Can lead a claim | D | None |
| N99.512 | Cystostomy malfunction | Can lead a claim | D | None |
| N99.518 | Other cystostomy complication | Can lead a claim | D | None |
| N99.52 Complication of incontinent external stoma of urinary tract | ||||
| N99.520 | Hemorrhage of incontinent external stoma of urinary tract | Can lead a claim | D | None |
| N99.521 | Infection of incontinent external stoma of urinary tract | Can lead a claim | D | None |
| N99.522 | Malfunction of incontinent external stoma of urinary tract | Can lead a claim | D | None |
| N99.523 | Herniation of incontinent stoma of urinary tract | Can lead a claim | D | None |
| N99.524 | Stenosis of incontinent stoma of urinary tract | Can lead a claim | D | None |
| N99.528 | Other complication of incontinent external stoma of urinary tractCMS: Other comp of incontinent external stoma of urinary tract | Can lead a claim | D | None |
| N99.53 Complication of continent stoma of urinary tract | ||||
| N99.530 | Hemorrhage of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.531 | Infection of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.532 | Malfunction of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.533 | Herniation of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.534 | Stenosis of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.538 | Other complication of continent stoma of urinary tract | Can lead a claim | D | None |
| N99.6 Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a procedure | ||||
| N99.61 | Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a genitourinary system procedureCMS: Intraop hemor/hemtom of a GU sys org comp a GU sys procedure | Can lead a claim | J | None |
| N99.62 | Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating other procedureCMS: Intraop hemor/hemtom of a GU sys org comp oth procedure | Can lead a claim | A | None |
| N99.7 Accidental puncture and laceration of a genitourinary system organ or structure during a procedure | ||||
| N99.71 | Accidental puncture and laceration of a genitourinary system organ or structure during a genitourinary system procedureCMS: Acc pnctr & lac of a GU sys org during a GU sys procedure | Can lead a claim | J | None |
| N99.72 | Accidental puncture and laceration of a genitourinary system organ or structure during other procedureCMS: Accidental pnctr & lac of a GU sys org during oth procedure | Can lead a claim | J | None |
| N99.8 Other intraoperative and postprocedural complications and disorders of genitourinary system | ||||
| N99.81 | Other intraoperative complications of genitourinary system | Can lead a claim | J | None |
| N99.82 Postprocedural hemorrhage of a genitourinary system organ or structure following a procedure | ||||
| N99.820 | Postprocedural hemorrhage of a genitourinary system organ or structure following a genitourinary system procedureCMS: Postproc hemor of a GU sys org following a GU sys procedure | Can lead a claim | J | None |
| N99.821 | Postprocedural hemorrhage of a genitourinary system organ or structure following other procedureCMS: Postproc hemor of a GU sys org following other procedure | Can lead a claim | J | None |
| N99.83 | Residual ovary syndrome | Can lead a claim | J | None |
| N99.84 Postprocedural hematoma and seroma of a genitourinary system organ or structure following a procedure | ||||
| N99.840 | Postprocedural hematoma of a genitourinary system organ or structure following a genitourinary system procedureCMS: Postproc hematoma of a GU sys org fol a GU sys procedure | Can lead a claim | J | None |
| N99.841 | Postprocedural hematoma of a genitourinary system organ or structure following other procedureCMS: Postproc hematoma of a GU sys org following other procedure | Can lead a claim | J | None |
| N99.842 | Postprocedural seroma of a genitourinary system organ or structure following a genitourinary system procedureCMS: Postproc seroma of a GU sys org following a GU sys procedure | Can lead a claim | A | None |
| N99.843 | Postprocedural seroma of a genitourinary system organ or structure following other procedureCMS: Postproc seroma of a GU sys org following other procedure | Can lead a claim | J | None |
| N99.85 | Post endometrial ablation syndrome | Can lead a claim | J | None |
| N99.86 Intraoperative and postprocedural complications and disorders of breast | ||||
| N99.860 | Intraoperative and postprocedural nipple ischemia | Can lead a claim | G | None |
| N99.861 | Intraoperative and postprocedural nipple necrosis | Can lead a claim | C | None |
| N99.89 | Other postprocedural complications and disorders of genitourinary systemCMS: Oth postprocedural complications and disorders of GU sys | Can lead a claim | J | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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