M13.8 Other specified arthritis

Non-billable header with 10 child codes.

Applicable to

• Allergic arthritis

Excludes1 (never code together)

• osteoarthritis (M15-M19)

Applies from M13 Other arthritis

Excludes1 (never code together)

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

Codes under M13.8

• M13.80 Other specified arthritis, unspecified site
• M13.81 Other specified arthritis, shoulder
• M13.82 Other specified arthritis, elbow
• M13.83 Other specified arthritis, wrist
• M13.84 Other specified arthritis, hand
• M13.85 Other specified arthritis, hip
• M13.86 Other specified arthritis, knee
• M13.87 Other specified arthritis, ankle and foot
• M13.88 Other specified arthritis, other site
• M13.89 Other specified arthritis, multiple sites

Diagnosis Index entries for M13.8

• Polyarthritis, polyarthropathy › migratory

Nearby codes

• 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
• M13.172 Monoarthritis, not elsewhere classified, left ankle and foot
• M13.179 Monoarthritis, not elsewhere classified, unspecified ankle and foot
• M13.8 Other specified arthritis (this code)
• M13.80 Other specified arthritis, unspecified site
• M13.81 Other specified arthritis, shoulder
• M13.811 Other specified arthritis, right shoulder
• M13.812 Other specified arthritis, left shoulder
• M13.819 Other specified arthritis, unspecified shoulder