Q78.9 – Osteochondrodysplasia, unspecified
ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system
- Code
Q78.9(claims format:Q789)- Description
- Osteochondrodysplasia, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
- Parent codes
- Q78
Notes for Q78.9
- Chondrodystrophy NOS
- Osteodystrophy NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q78 – Other osteochondrodysplasias
- congenital myotonic chondrodystrophy (G71.13)
Index terms for Q78.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Q78
- Q78.0 – Osteogenesis imperfectaBillable
- Q78.1 – Polyostotic fibrous dysplasiaBillable
- Q78.2 – OsteopetrosisBillable
- Q78.3 – Progressive diaphyseal dysplasiaBillable
- Q78.4 – EnchondromatosisBillable
- Q78.5 – Metaphyseal dysplasiaBillable
- Q78.6 – Multiple congenital exostosesBillable
- Q78.8 – Other specified osteochondrodysplasiasBillable
Frequently asked questions
What is ICD-10 code Q78.9?
Q78.9 is the ICD-10-CM code for osteochondrodysplasia, unspecified, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
Is Q78.9 a billable code?
Yes. Q78.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q78.9 belong to?
It belongs to category Q78 – Other osteochondrodysplasias.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.