Q78
Other osteochondrodysplasias
Q78 is a non-billable ICD-10-CM code category for other osteochondrodysplasias. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q78.0 Osteogenesis imperfecta, Q78.1 Polyostotic fibrous dysplasia, Q78.2 Osteopetrosis, Q78.3 Progressive diaphyseal dysplasia and 5 more. Its coding notes include 2 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- congenital myotonic chondrodystrophy (G71.13)
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
More specific codes under Q78 9
- Q78.0Osteogenesis imperfectaBillable
- Q78.1Polyostotic fibrous dysplasiaBillable
- Q78.2OsteopetrosisBillable
- Q78.3Progressive diaphyseal dysplasiaBillable
- Q78.4EnchondromatosisBillable
- Q78.5Metaphyseal dysplasiaBillable
- Q78.6Multiple congenital exostosesBillable
- Q78.8Other specified osteochondrodysplasiasBillable
- Q78.9Osteochondrodysplasia, unspecifiedBillable