M13.0 – Polyarthritis, unspecified
ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies
ICD-10-CM code
M13.0
- Code
M13.0(claims format:M130)- Description
- Polyarthritis, unspecified
- 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
- M13
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M13 – Other arthritis
Index terms for M13.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M13
Frequently asked questions
What is ICD-10 code M13.0?
M13.0 is the ICD-10-CM code for polyarthritis, unspecified, in the block M05-M14 (Inflammatory polyarthropathies).
Is M13.0 a billable code?
Yes. M13.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M13.0 belong to?
It belongs to category M13 – Other arthritis.
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.