M13.16 Monoarthritis, not elsewhere classified, knee

Non-billable header with 3 child codes.

Applies from M13 Other arthritis

Excludes1 (never code together)

• arthrosis (M15-M19)
• osteoarthritis (M15-M19)

Codes under M13.16

• M13.161 Monoarthritis, not elsewhere classified, right knee
• M13.162 Monoarthritis, not elsewhere classified, left knee
• M13.169 Monoarthritis, not elsewhere classified, unspecified knee

Diagnosis Index entries for M13.16

• Monoarthritis › knee

Nearby codes

• M13.149 Monoarthritis, not elsewhere classified, unspecified hand
• M13.15 Monoarthritis, not elsewhere classified, hip
• M13.151 Monoarthritis, not elsewhere classified, right hip
• M13.152 Monoarthritis, not elsewhere classified, left hip
• M13.159 Monoarthritis, not elsewhere classified, unspecified hip
• M13.16 Monoarthritis, not elsewhere classified, knee (this code)
• M13.161 Monoarthritis, not elsewhere classified, right knee
• M13.162 Monoarthritis, not elsewhere classified, left knee
• M13.169 Monoarthritis, not elsewhere classified, unspecified knee
• M13.17 Monoarthritis, not elsewhere classified, ankle and foot
• M13.171 Monoarthritis, not elsewhere classified, right ankle and foot