Q78.2
Osteopetrosis
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 · Q78.2
Synonyms
Albers-Schönberg syndrome Osteosclerosis NOS
Inherited from Q78Other osteochondrodysplasias
Excludes 2
congenital myotonic chondrodystrophy (G71.13)
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Official Guidelines for Q78.2
FY 2026 ›Sections that reference Q78.2
Sections whose FY 2026 text names Q78.2, its Q78 category, or a range containing it — the chapter guidance above is the authoritative source.
Find Q78.2 in the alphabetic index
7 index paths lead to this code