ICD-10 · PDGM grouping
Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine
All 10 codes in the Q77 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
10
Can lead a claim
10
Cannot lead a claim
0
What CMS assigns to Q77
All 10 codes group to Musculoskeletal Rehabilitation (9) and MMTA - Other (1). None of the 10 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in Q77
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 |
|---|---|---|---|---|
| Q77.0 | Achondrogenesis | Can lead a claim | E | None |
| Q77.1 | Thanatophoric short stature | Can lead a claim | E | None |
| Q77.2 | Short rib syndrome | Can lead a claim | A | None |
| Q77.3 | Chondrodysplasia punctata | Can lead a claim | E | None |
| Q77.4 | Achondroplasia | Can lead a claim | E | None |
| Q77.5 | Diastrophic dysplasia | Can lead a claim | E | None |
| Q77.6 | Chondroectodermal dysplasia | Can lead a claim | E | None |
| Q77.7 | Spondyloepiphyseal dysplasia | Can lead a claim | E | None |
| Q77.8 | Other osteochondrodysplasia with defects of growth of tubular bones and spineCMS: Oth osteochndrdys w defct of growth of tublr bones and spine | Can lead a claim | E | None |
| Q77.9 | Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecifiedCMS: Osteochndrdys w defct of grth of tublr bones and spine, unsp | Can lead a claim | E | 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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