M05.6

Non-billable

Rheumatoid arthritis with involvement of other organs and systems

M05.6 is the ICD-10-CM code for Rheumatoid arthritis with involvement of other organs and systems. It is a non-billable category code — use a more specific child code such as M05.60 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M05
Subcodes
9
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M05.6?
M05.6 is the ICD-10-CM code for "Rheumatoid arthritis with involvement of other organs and systems". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M05.6 a billable code?
No — M05.6 is a non-billable header code. Use a more specific child code (such as M05.60) for billing.
What are the subcodes of M05.6?
M05.6 has 9 more specific child codes, including M05.60, M05.61, M05.62.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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