M13.10 – Monoarthritis, not elsewhere classified, unspecified site
ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies
ICD-10-CM code
M13.10
- Code
M13.10(claims format:M1310)- Description
- Monoarthritis, not elsewhere classified, unspecified 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
- M13 › M13.1
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 M13.10
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M13.1
- M13.11 – Monoarthritis, not elsewhere classified, shoulderHeader
- M13.12 – Monoarthritis, not elsewhere classified, elbowHeader
- M13.13 – Monoarthritis, not elsewhere classified, wristHeader
- M13.14 – Monoarthritis, not elsewhere classified, handHeader
- M13.15 – Monoarthritis, not elsewhere classified, hipHeader
- M13.16 – Monoarthritis, not elsewhere classified, kneeHeader
- M13.17 – Monoarthritis, not elsewhere classified, ankle and footHeader
Frequently asked questions
What is ICD-10 code M13.10?
M13.10 is the ICD-10-CM code for monoarthritis, not elsewhere classified, unspecified site, in the block M05-M14 (Inflammatory polyarthropathies).
Is M13.10 a billable code?
Yes. M13.10 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M13.10 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.