ICD-10 · PDGM grouping
Q74 Other congenital malformations of limb(s)
All 6 codes in the Q74 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.
Codes in family
6
Can lead a claim
5
Cannot lead a claim
1
What CMS assigns to Q74
5 of the 6 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 6 is assigned a comorbidity subgroup. 5 of the 6 can lead a claim.
Every code in Q74
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 |
|---|---|---|---|---|
| Q74.0 | Other congenital malformations of upper limb(s), including shoulder girdleCMS: Oth congen malform of upper limb(s), inc shoulder girdle | Can lead a claim | A | None |
| Q74.1 | Congenital malformation of knee | Can lead a claim | A | None |
| Q74.2 | Other congenital malformations of lower limb(s), including pelvic girdleCMS: Oth congen malform of lower limb(s), including pelvic girdle | Can lead a claim | A | None |
| Q74.3 | Arthrogryposis multiplex congenita | Can lead a claim | A | None |
| Q74.8 | Other specified congenital malformations of limb(s) | Can lead a claim | A | None |
| Q74.9 | Unspecified congenital malformation of limb(s) | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | 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.
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