N99-N99 — Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
42
No clinical group
0
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
22 of the 42 codes in N99-N99 group to MMTA - Gastrointestinal tract and Genitourinary system, but the range is not uniform — it spreads across 3 clinical groups. Every code here is assigned a group.
Every code in N99-N99
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| N990 | Postprocedural (acute) (chronic) kidney failure | J | Accepted |
| N99110 | Postprocedural urethral stricture, male, meatal | J | Accepted |
| N99111 | Postprocedural bulbous urethral stricture, male | J | Accepted |
| N99112 | Postprocedural membranous urethral stricture, male | J | Accepted |
| N99113 | Postprocedural anterior bulbous urethral stricture, male | J | Accepted |
| N99114 | Postprocedural urethral stricture, male, unspecified | J | Accepted |
| N99115 | Postprocedural fossa navicularis urethral stricture | A | Accepted |
| N99116 | Postprocedural urethral stricture, male, overlapping sites | J | Accepted |
| N9912 | Postprocedural urethral stricture, female | J | Accepted |
| N992 | Postprocedural adhesions of vagina | A | Accepted |
| N993 | Prolapse of vaginal vault after hysterectomy | J | Accepted |
| N994 | Postprocedural pelvic peritoneal adhesions | J | Accepted |
| N99510 | Cystostomy hemorrhage | D | Accepted |
| N99511 | Cystostomy infection | D | Accepted |
| N99512 | Cystostomy malfunction | D | Accepted |
| N99518 | Other cystostomy complication | D | Accepted |
| N99520 | Hemorrhage of incontinent external stoma of urinary tract | D | Accepted |
| N99521 | Infection of incontinent external stoma of urinary tract | D | Accepted |
| N99522 | Malfunction of incontinent external stoma of urinary tract | D | Accepted |
| N99523 | Herniation of incontinent stoma of urinary tract | D | Accepted |
| N99524 | Stenosis of incontinent stoma of urinary tract | D | Accepted |
| N99528 | Other comp of incontinent external stoma of urinary tract | D | Accepted |
| N99530 | Hemorrhage of continent stoma of urinary tract | D | Accepted |
| N99531 | Infection of continent stoma of urinary tract | D | Accepted |
| N99532 | Malfunction of continent stoma of urinary tract | D | Accepted |
| N99533 | Herniation of continent stoma of urinary tract | D | Accepted |
| N99534 | Stenosis of continent stoma of urinary tract | D | Accepted |
| N99538 | Other complication of continent stoma of urinary tract | D | Accepted |
| N9961 | Intraop hemor/hemtom of a GU sys org comp a GU sys procedure | J | Accepted |
| N9962 | Intraop hemor/hemtom of a GU sys org comp oth procedure | A | Accepted |
| N9971 | Acc pnctr & lac of a GU sys org during a GU sys procedure | J | Accepted |
| N9972 | Accidental pnctr & lac of a GU sys org during oth procedure | J | Accepted |
| N9981 | Other intraoperative complications of genitourinary system | J | Accepted |
| N99820 | Postproc hemor of a GU sys org following a GU sys procedure | J | Accepted |
| N99821 | Postproc hemor of a GU sys org following other procedure | J | Accepted |
| N9983 | Residual ovary syndrome | J | Accepted |
| N99840 | Postproc hematoma of a GU sys org fol a GU sys procedure | J | Accepted |
| N99841 | Postproc hematoma of a GU sys org following other procedure | J | Accepted |
| N99842 | Postproc seroma of a GU sys org following a GU sys procedure | A | Accepted |
| N99843 | Postproc seroma of a GU sys org following other procedure | J | Accepted |
| N9985 | Post endometrial ablation syndrome | J | Accepted |
| N9989 | Oth postprocedural complications and disorders of GU sys | J | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff.