Q78.9
Osteochondrodysplasia, unspecified
Q78.9 (also written Q789) is a billable ICD-10-CM diagnosis code for osteochondrodysplasia, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category Q78 (Other osteochondrodysplasias). The Alphabetic Index lists it under 10 entries. 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.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Inclusion terms
Conditions classified to this code.
- Chondrodystrophy NOS
- Osteodystrophy NOS
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 10 entries
- Anomaly, anomalous (congenital) (unspecified type), skeleton generalized
- Anosteoplasia
- Chondrodysplasia
- Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic)
- Dysostosis, Fairbank's (idiopathic familial generalized osteophytosis)
- Osteochondrodysplasia
- Osteodystrophy
- Osteodystrophy, congenital
- Silfversköld's syndrome
- Syndrome, Silfversköld's