Unilateral osteoarthritis resulting from hip dysplasia
Unilateral osteoarthritis resulting from hip dysplasia
M16.3 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
Osteoarthritis of one hip caused by hip dysplasia, where the specific side (right or left) has not been documented in the medical record.
M16.31 identifies unilateral osteoarthritis of the right hip that developed as a direct consequence of hip dysplasia — distinct from primary or post-traumatic OA — and is fully billable for FY2026.
Osteoarthritis of the left hip that developed as a direct consequence of underlying hip dysplasia, reported as a unilateral finding affecting only the left side.
Inclusion & exclusion notes
Includes
- Dysplastic osteoarthritis of hip NOS