Diseases of the Musculoskeletal System and Connective Tissue

ICD-10 Code: M19.90

Unspecified Osteoarthritis, Unspecified Site

Degenerative joint disease without specification of joint location.

Clinical Information

OA is the most common form of arthritis. Used when joint location not specified.

Coding Guidelines

  • 1Use when OA documented without specifying joint
  • 2If joint specified, use site-specific codes

Common Uses

  • OA on problem list without site specification

Related ICD-10 Codes

M17.9OA of knee

Documentation Requirements

  • Document 'osteoarthritis' with joint if known

Real-World Coding Examples

Patient with OA, site not specified (M19.90)

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Medical coding for Diseases of the Musculoskeletal System and Connective Tissue