M16.12 is the authoritative medical code for Unilateral primary osteoarthritis, left hip. This classification is used in medical billing and clinical recording to specify the clinical criteria for unilateral primary osteoarthritis, left hip (ICD-10-CM M16.12), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Unilateral primary osteoarthritis, left hip is a billable ICD-10-CM diagnosis code M16.12. Excludes2 (not included here): osteoarthritis of spine M47.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M16.12 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- osteoarthritis of spine M47.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can M16.12 be reported alongside related conditions?
Per Excludes2 instructions, M16.12 and the following may both be reported when both are present: osteoarthritis of spine (M47.-).
Codes in This Family (18)
Official ICD-10-CM classifications in the same code family as M16.12, with their registry titles.
- M16 — Osteoarthritis of hip
- M16.0 — Bilateral primary osteoarthritis of hip
- M16.1 — Unilateral primary osteoarthritis of hip
- M16.10 — Unilateral primary osteoarthritis, unspecified hip
- M16.11 — Unilateral primary osteoarthritis, right hip
- M16.2 — Bilateral osteoarthritis resulting from hip dysplasia
- M16.3 — Unilateral osteoarthritis resulting from hip dysplasia
- M16.30 — Unilateral osteoarthritis resulting from hip dysplasia, unspecified hip
- M16.31 — Unilateral osteoarthritis resulting from hip dysplasia, right hip
- M16.32 — Unilateral osteoarthritis resulting from hip dysplasia, left hip
- M16.4 — Bilateral post-traumatic osteoarthritis of hip
- M16.5 — Unilateral post-traumatic osteoarthritis of hip
- M16.50 — Unilateral post-traumatic osteoarthritis, unspecified hip
- M16.51 — Unilateral post-traumatic osteoarthritis, right hip
- M16.52 — Unilateral post-traumatic osteoarthritis, left hip
- M16.6 — Other bilateral secondary osteoarthritis of hip
- M16.7 — Other unilateral secondary osteoarthritis of hip
- M16.9 — Osteoarthritis of hip, unspecified
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M18.12
Unilateral primary osteoarthritis of first carpometacarpal joint, left hand