Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applies from Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine
Excludes1 (never code together)
mucopolysaccharidosis (E76.0-E76.3)
Excludes2 (not included here)
congenital myotonic chondrodystrophy (G71.13)
MS-DRG index
Defines the logic of DRG(s) 564-566 in MDC 08.
Approximate ICD-9-CM (GEMs)
756.4 Chondrodystrophy (approximate)
Code annotations containing back-references to Q77.1
Back-references to Q77
Type 1 Excludes: M24.3 Pathological dislocation of joint, not elsewhere classified ("congenital dislocation or displacement of joint- see congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")
Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")
Diagnosis Index entries for Q77.1
Dwarfism › thanatophoric
Thanatophoric dwarfism or short stature
Nearby codes
Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine