M05.87Header code — not billable

Other rheumatoid arthritis with rheumatoid factor of ankle and foot

Short description: Oth rheumatoid arthritis w rheumatoid factor of ank/ft

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M05
Effective date
October 1, 2026

Related codes in category M05

Frequently asked questions

What is ICD-10 code M05.87?

M05.87 is an ICD-10-CM diagnosis code for Other rheumatoid arthritis with rheumatoid factor of ankle and foot.

Is M05.87 a billable code?

No. M05.87 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is M05.87 in?

M05.87 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M05.87 become effective?

M05.87 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M05.87?

M05.87 belongs to category M05, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.