M13.81 Other specified arthritis, shoulder

Non-billable header with 3 child codes.

Applies from M13 Other arthritis

Excludes1 (never code together)

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

Applies from M13.8 Other specified arthritis

Applicable to

• Allergic arthritis

Excludes1 (never code together)

• osteoarthritis (M15-M19)

Codes under M13.81

• M13.811 Other specified arthritis, right shoulder
• M13.812 Other specified arthritis, left shoulder
• M13.819 Other specified arthritis, unspecified shoulder

Diagnosis Index entries for M13.81

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › specified form NEC › shoulder

Nearby codes

• 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
• M13.80 Other specified arthritis, unspecified site
• M13.81 Other specified arthritis, shoulder (this code)
• M13.811 Other specified arthritis, right shoulder
• M13.812 Other specified arthritis, left shoulder
• M13.819 Other specified arthritis, unspecified shoulder
• M13.82 Other specified arthritis, elbow
• M13.821 Other specified arthritis, right elbow