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  2. ICD-10-CM Codes List
  3. M00–M99
  4. M15-M19
  5. Osteoarthritis of hip (M16)

Osteoarthritis of hip (M16)

The ICD-10 codes in the M16 section classify various types of osteoarthritis of the hip, capturing differences in location, cause, and laterality. These codes help specify whether the osteoarthritis is primary or secondary, affects one or both hips, and whether it is related to conditions like hip dysplasia or trauma.

For example, M16.0 is used for bilateral primary osteoarthritis of the hip, which includes terms like "primary coxarthrosis, bilateral" or "osteoarthritis of bilateral hip joints." Unilateral cases are coded under M16.1 with further detail distinguishing right (M16.11) and left hips (M16.12). Osteoarthritis resulting from hip dysplasia is coded separately, such as M16.2 for bilateral and M16.3 for unilateral involvement, clarifying terms like "coxarthrosis resulting from dysplasia." Post-traumatic osteoarthritis, meaning joint degeneration following injury, is classified under M16.4 (bilateral) and M16.5 (unilateral). Additional codes specify other types of secondary osteoarthritis. These distinctions ensure accurate documentation and treatment planning when using the ICD-10 code for osteoarthritis of hip, supporting clinicians and coders in addressing the exact nature and side of the hip affected.

  • Diseases of the musculoskeletal system and connective tissue (M00–M99)

    • Osteoarthritis (M15-M19)

        • Osteoarthritis of hip (M16)

        • 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
        • 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