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M19.91

Billable

Primary osteoarthritis, unspecified site

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Age-related wear and tear arthritis that is not caused by another condition or injury, affecting an unspecified body location.

Coding Tips

  • •This code indicates primary osteoarthritis but with unspecified site; attempt to identify the affected joint for more specific coding
  • •Primary osteoarthritis is typically age-related and idiopathic, with no documented secondary cause

Code Hierarchy

└M19Other and unspecified osteoarthritis└M19.9Osteoarthritis, unspecified site└M19.91Primary osteoarthritis, unspecified site
└M19.91Primary osteoarthritis, unspecified site

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