M05.771
Billable codeRheumatoid arthritis with rheumatoid factor of right ankle and foot without organ or systems involvement
The ICD-10 code for rheumatoid arthritis with rheumatoid factor of right ankle and foot without organ or systems involvement is M05.771.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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
- M05.771Rheumatoid arthritis with rheumatoid factor of right ankle and foot without organ or systems involvement
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7140Approximate match
Associated MS-DRGs
M05.771 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.