M05.561
✓ Billable
Rheumatoid polyneuropathy with rheumatoid arthritis of right knee
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M05.561
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M05.561?
ICD-10-CM code M05.561 represents Rheumatoid polyneuropathy with rheumatoid arthritis of right knee. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M05.561 billable?
Yes. M05.561 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M05.561 in?
M05.561 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M05 category
M05
Rheumatoid arthritis with rheumatoid factor
Non-billable
M05.0
Felty's syndrome
Non-billable
M05.1
Rheumatoid lung disease with rheumatoid arthritis
Non-billable
M05.2
Rheumatoid vasculitis with rheumatoid arthritis
Non-billable
M05.3
Rheumatoid heart disease with rheumatoid arthritis
Non-billable
M05.4
Rheumatoid myopathy with rheumatoid arthritis
Non-billable
M05.5
Rheumatoid polyneuropathy with rheumatoid arthritis
Non-billable
M05.6
Rheumatoid arthritis with involvement of other organs and systems
Non-billable
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