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

Q64 Other congenital malformations of urinary system

All 22 codes in the Q64 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

22

Can lead a claim

20

Cannot lead a claim

2

What CMS assigns to Q64

20 of the 22 codes group to MMTA - Other; 2 are assigned no clinical group. None of the 22 is assigned a comorbidity subgroup. 20 of the 22 can lead a claim.

Every code in Q64

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Q64.0EpispadiasCan lead a claimANone
Q64.1 Exstrophy of urinary bladder
Q64.10Exstrophy of urinary bladder, unspecifiedCan lead a claimANone
Q64.11Supravesical fissure of urinary bladderCan lead a claimANone
Q64.12Cloacal exstrophy of urinary bladderCan lead a claimANone
Q64.19Other exstrophy of urinary bladderCan lead a claimANone
Q64.2Congenital posterior urethral valvesCan lead a claimANone
Q64.3 Other atresia and stenosis of urethra and bladder neck
Q64.31Congenital bladder neck obstructionCan lead a claimANone
Q64.32Congenital stricture of urethraCan lead a claimANone
Q64.33Congenital stricture of urinary meatusCan lead a claimANone
Q64.39Other atresia and stenosis of urethra and bladder neckCan lead a claimANone
Q64.4Malformation of urachusCan lead a claimANone
Q64.5Congenital absence of bladder and urethraCan lead a claimANone
Q64.6Congenital diverticulum of bladderCan lead a claimANone
Q64.7 Other and unspecified congenital malformations of bladder and urethra
Q64.70Unspecified congenital malformation of bladder and urethraCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
Q64.71Congenital prolapse of urethraCan lead a claimANone
Q64.72Congenital prolapse of urinary meatusCan lead a claimANone
Q64.73Congenital urethrorectal fistulaCan lead a claimANone
Q64.74Double urethraCan lead a claimANone
Q64.75Double urinary meatusCan lead a claimANone
Q64.79Other congenital malformations of bladder and urethraCan lead a claimANone
Q64.8Other specified congenital malformations of urinary systemCan lead a claimANone
Q64.9Congenital malformation of urinary system, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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.

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. Read the first issue