M13.169 – Monoarthritis, not elsewhere classified, unspecified knee

ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies

Billable code

ICD-10-CM code M13.169
Code
M13.169 (claims format: M13169)
Description
Monoarthritis, not elsewhere classified, unspecified knee
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 › M13.16

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

M13 – Other arthritis

Excludes1 (not coded here):

Index terms for M13.169

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in M13.16

Frequently asked questions

What is ICD-10 code M13.169?

M13.169 is the ICD-10-CM code for monoarthritis, not elsewhere classified, unspecified knee, in the block M05-M14 (Inflammatory polyarthropathies).

Is M13.169 a billable code?

Yes. M13.169 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M13.169 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.