M05.77
Header — not billableRheumatoid arthritis with rheumatoid factor of ankle and foot without organ or systems involvement
The ICD-10 code for rheumatoid arthritis with rheumatoid factor of ankle and foot without organ or systems involvement is M05.77.
M05.77 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M05.77
- M05.771Rheumatoid arthritis with rheumatoid factor of right ankle and foot without organ or systems involvement
- M05.772Rheumatoid arthritis with rheumatoid factor of left ankle and foot without organ or systems involvement
- M05.779Rheumatoid arthritis with rheumatoid factor of unspecified ankle and foot without organ or systems involvement
Related codes in this category
- M05.70Rheumatoid arthritis with rheumatoid factor of unspecified site without organ or systems involvement
- M05.71Rheumatoid arthritis with rheumatoid factor of shoulder without organ or systems involvementnon-billable header
- M05.72Rheumatoid arthritis with rheumatoid factor of elbow without organ or systems involvementnon-billable header
- M05.73Rheumatoid arthritis with rheumatoid factor of wrist without organ or systems involvementnon-billable header
- M05.74Rheumatoid arthritis with rheumatoid factor of hand without organ or systems involvementnon-billable header
- M05.75Rheumatoid arthritis with rheumatoid factor of hip without organ or systems involvementnon-billable header
- M05.76Rheumatoid arthritis with rheumatoid factor of knee without organ or systems involvementnon-billable header
- M05.79Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
- M05.7ARheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement
- M05.77Rheumatoid arthritis with rheumatoid factor of ankle and foot without organ or systems involvementnon-billable header