October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

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 v07.2.26.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in range

44

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 44 codes in N99-N99 group to MMTA - Gastrointestinal tract and Genitourinary system, but the range is not uniform — it spreads across 5 clinical groups. Every code here is assigned a group.

Code families in N99-N99

One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.

Every code in N99-N99

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

CodeDescriptionClinical groupPrimary position
N990Postprocedural (acute) (chronic) kidney failureJCan lead a claim
N99110Postprocedural urethral stricture, male, meatalJCan lead a claim
N99111Postprocedural bulbous urethral stricture, maleJCan lead a claim
N99112Postprocedural membranous urethral stricture, maleJCan lead a claim
N99113Postprocedural anterior bulbous urethral stricture, maleJCan lead a claim
N99114Postprocedural urethral stricture, male, unspecifiedJCan lead a claim
N99115Postprocedural fossa navicularis urethral strictureACan lead a claim
N99116Postprocedural urethral stricture, male, overlapping sitesJCan lead a claim
N9912Postprocedural urethral stricture, femaleJCan lead a claim
N992Postprocedural adhesions of vaginaACan lead a claim
N993Prolapse of vaginal vault after hysterectomyJCan lead a claim
N994Postprocedural pelvic peritoneal adhesionsJCan lead a claim
N99510Cystostomy hemorrhageDCan lead a claim
N99511Cystostomy infectionDCan lead a claim
N99512Cystostomy malfunctionDCan lead a claim
N99518Other cystostomy complicationDCan lead a claim
N99520Hemorrhage of incontinent external stoma of urinary tractDCan lead a claim
N99521Infection of incontinent external stoma of urinary tractDCan lead a claim
N99522Malfunction of incontinent external stoma of urinary tractDCan lead a claim
N99523Herniation of incontinent stoma of urinary tractDCan lead a claim
N99524Stenosis of incontinent stoma of urinary tractDCan lead a claim
N99528Other comp of incontinent external stoma of urinary tractDCan lead a claim
N99530Hemorrhage of continent stoma of urinary tractDCan lead a claim
N99531Infection of continent stoma of urinary tractDCan lead a claim
N99532Malfunction of continent stoma of urinary tractDCan lead a claim
N99533Herniation of continent stoma of urinary tractDCan lead a claim
N99534Stenosis of continent stoma of urinary tractDCan lead a claim
N99538Other complication of continent stoma of urinary tractDCan lead a claim
N9961Intraop hemor/hemtom of a GU sys org comp a GU sys procedureJCan lead a claim
N9962Intraop hemor/hemtom of a GU sys org comp oth procedureACan lead a claim
N9971Acc pnctr & lac of a GU sys org during a GU sys procedureJCan lead a claim
N9972Accidental pnctr & lac of a GU sys org during oth procedureJCan lead a claim
N9981Other intraoperative complications of genitourinary systemJCan lead a claim
N99820Postproc hemor of a GU sys org following a GU sys procedureJCan lead a claim
N99821Postproc hemor of a GU sys org following other procedureJCan lead a claim
N9983Residual ovary syndromeJCan lead a claim
N99840Postproc hematoma of a GU sys org fol a GU sys procedureJCan lead a claim
N99841Postproc hematoma of a GU sys org following other procedureJCan lead a claim
N99842Postproc seroma of a GU sys org following a GU sys procedureACan lead a claim
N99843Postproc seroma of a GU sys org following other procedureJCan lead a claim
N9985Post endometrial ablation syndromeJCan lead a claim
N99860Intraoperative and postprocedural nipple ischemiaGCan lead a claim
N99861Intraoperative and postprocedural nipple necrosisCCan lead a claim
N9989Oth postprocedural complications and disorders of GU sysJCan lead a claim

Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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.

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