M05.4
Header — not billable
Rheumatoid myopathy with rheumatoid arthritis
Rheumatoid myopathy with rheumatoid arthritis
M05.4 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
M05.40
Rheumatoid myopathy with rheumatoid arthritis of unsp site
M05.49 M05.40 captures rheumatoid myopathy occurring as a systemic manifestation of rheumatoid factor-positive rheumatoid arthritis when no specific joint site is documented.
Rheumatoid myopathy w rheumatoid arthritis of multiple sites
Rheumatoid myopathy occurring as an extraarticular manifestation of seropositive rheumatoid arthritis, documented at multiple joint sites simultaneously.