ICD-10-CM 2027
ICD-10 code for Calcificans congenita chondrodystrophy
From the official ICD-10-CM alphabetic index entry “Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic) › calcificans congenita”. Page updated September 29, 2026.
About coding Calcificans congenita chondrodystrophy
The ICD-10-CM code for Calcificans congenita chondrodystrophy is Q77.3 (Chondrodysplasia punctata).
Within Q77 (osteochondrodysplasia with defects of growth of tubular bones and spine), Q77.3 is specifically for chondrodysplasia punctata. Related codes cover Achondrogenesis (Q77.0), Thanatophoric short stature (Q77.1), short rib syndrome (Q77.2), Achondroplasia (Q77.4), Diastrophic dysplasia (Q77.5), Chondroectodermal dysplasia (Q77.6), Spondyloepiphyseal dysplasia (Q77.7), other osteochondrodysplasia with defects of growth of tubular bones and spine (Q77.8) and 1 more.
Don't report Q77.3 together with the conditions in its Excludes1 note: Rhizomelic chondrodysplasia punctata (E71.540).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for Q77.3)
- Rhizomelic chondrodysplasia punctata (E71.540)
Common questions about Calcificans congenita chondrodystrophy ICD-10 codes
What is the ICD-10 code for Calcificans congenita chondrodystrophy?
- Q77.3 — Chondrodysplasia punctata.
Is Q77.3 billable?
- Yes. Q77.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q77.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q77.3 as a principal diagnosis.
Is Q77.3 a CC or MCC?
- No. Q77.3 is neither a CC nor an MCC under MS-DRG v44.0.