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Q78 Other osteochondrodysplasias

ICD-10-CM category Q78 sits in Chapter 17 (Congenital malformations, deformations and chromosomal abnormalities, Q00-Q99). It contains 9 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Billable codes in Q78

CodeDescription
Q78.0Osteogenesis imperfecta
Q78.1Polyostotic fibrous dysplasia
Q78.2Osteopetrosis
Q78.3Progressive diaphyseal dysplasia
Q78.4Enchondromatosis
Q78.5Metaphyseal dysplasia
Q78.6Multiple congenital exostoses
Q78.8Other specified osteochondrodysplasias
Q78.9Osteochondrodysplasia, unspecified

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