Q79.8

Other congenital malformations of musculoskeletal system

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q79.8
Synonyms

Absence of muscle Absence of tendon Accessory muscle Amyotrophia congenita Congenital constricting bands Congenital shortening of tendon Poland syndrome

Inherited from Q79Congenital malformations of musculoskeletal system, NEC
Excludes 2

congenital (sternomastoid) torticollis (Q68.0)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Official Guidelines for Q79.8

FY 2026 ›

Sections that reference Q79.8

Sections whose FY 2026 text names Q79.8, its Q79 category, or a range containing it — the chapter guidance above is the authoritative source.