M05.42 Rheumatoid myopathy with rheumatoid arthritis of elbow

Non-billable header with 3 child codes.

Applies from M05 Rheumatoid arthritis with rheumatoid factor

Excludes1 (never code together)

• rheumatic fever (I00)
• juvenile rheumatoid arthritis (M08.-)
• rheumatoid arthritis of spine (M45.-)

Codes under M05.42

• M05.421 Rheumatoid myopathy with rheumatoid arthritis of right elbow
• M05.422 Rheumatoid myopathy with rheumatoid arthritis of left elbow
• M05.429 Rheumatoid myopathy with rheumatoid arthritis of unspecified elbow

Code annotations containing back-references to M05.42

Back-references to M05

• Code Also: I27.21 Secondary pulmonary arterial hypertension ("rheumatoid arthritis (M05.-)")
• Type 1 Excludes: R76.81 Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis ("rheumatoid arthritis with rheumatoid factor (M05.-)")

Diagnosis Index entries for M05.42

• Rheumatoid › myopathy › elbow

Nearby codes

• M05.40 Rheumatoid myopathy with rheumatoid arthritis of unspecified site
• M05.41 Rheumatoid myopathy with rheumatoid arthritis of shoulder
• M05.411 Rheumatoid myopathy with rheumatoid arthritis of right shoulder
• M05.412 Rheumatoid myopathy with rheumatoid arthritis of left shoulder
• M05.419 Rheumatoid myopathy with rheumatoid arthritis of unspecified shoulder
• M05.42 Rheumatoid myopathy with rheumatoid arthritis of elbow (this code)
• M05.421 Rheumatoid myopathy with rheumatoid arthritis of right elbow
• M05.422 Rheumatoid myopathy with rheumatoid arthritis of left elbow
• M05.429 Rheumatoid myopathy with rheumatoid arthritis of unspecified elbow
• M05.43 Rheumatoid myopathy with rheumatoid arthritis of wrist
• M05.431 Rheumatoid myopathy with rheumatoid arthritis of right wrist