ICD-10-CM > Q00-QA0 > Q65-Q79 > Q78 Q78 Other osteochondrodysplasias Non-Billable/Non-Specific Type 2 Excludes congenital myotonic chondrodystrophy (G71.13) Codes Q78.0Osteogenesis imperfectaQ78.1Polyostotic fibrous dysplasiaQ78.2OsteopetrosisQ78.3Progressive diaphyseal dysplasiaQ78.4EnchondromatosisQ78.5Metaphyseal dysplasiaQ78.6Multiple congenital exostosesQ78.8Other specified osteochondrodysplasiasQ78.9Osteochondrodysplasia, unspecified