M16.12 Unilateral primary osteoarthritis, left hip

Billable ICD-10-CM code, FY2026.

Applies from M16.1 Unilateral primary osteoarthritis of hip

Applicable to

• Primary osteoarthritis of hip NOS

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 715.15 Osteoarthrosis, localized, primary, pelvic region and thigh (approximate)

Code annotations containing back-references to M16.12

Back-references to M16

• Type 1 Excludes: M12 Other and unspecified arthropathy ("arthrosis (M15-M19)")
• Type 1 Excludes: M13 Other arthritis ("arthrosis (M15-M19)")
• Type 1 Excludes: M13 Other arthritis ("osteoarthritis (M15-M19)")
• Type 1 Excludes: M13.8 Other specified arthritis ("osteoarthritis (M15-M19)")
• Type 1 Excludes: M15 Polyosteoarthritis ("bilateral involvement of single joint (M16-M19)")

Nearby codes

• 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
• M16.12 Unilateral primary osteoarthritis, left hip (this code)
• 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