M05.50 – Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified site
ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies
ICD-10-CM code
M05.50
- Code
M05.50(claims format:M0550)- Description
- Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified site
- Short description
- Rheumatoid polyneurop w rheumatoid arthritis of unsp site
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M05-M14 Inflammatory polyarthropathies
- Parent codes
- M05 › M05.5
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M05 – Rheumatoid arthritis with rheumatoid factor
Index terms for M05.50
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M05.5
- M05.51 – Rheumatoid polyneuropathy with rheumatoid arthritis of shoulderHeader
- M05.52 – Rheumatoid polyneuropathy with rheumatoid arthritis of elbowHeader
- M05.53 – Rheumatoid polyneuropathy with rheumatoid arthritis of wristHeader
- M05.54 – Rheumatoid polyneuropathy with rheumatoid arthritis of handHeader
- M05.55 – Rheumatoid polyneuropathy with rheumatoid arthritis of hipHeader
- M05.56 – Rheumatoid polyneuropathy with rheumatoid arthritis of kneeHeader
- M05.57 – Rheumatoid polyneuropathy with rheumatoid arthritis of ankle and footHeader
- M05.59 – Rheumatoid polyneuropathy with rheumatoid arthritis of multiple sitesBillable
Frequently asked questions
What is ICD-10 code M05.50?
M05.50 is the ICD-10-CM code for rheumatoid polyneuropathy with rheumatoid arthritis of unspecified site, in the block M05-M14 (Inflammatory polyarthropathies).
Is M05.50 a billable code?
Yes. M05.50 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M05.50 belong to?
It belongs to category M05 – Rheumatoid arthritis with rheumatoid factor.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.