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ICD-10-CM 2027

ICD-10 code for Migratory polyarthritis

M13.8

Other specified arthritis

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Polyarthritis, polyarthropathy › migratory”. Page updated September 29, 2026.

About coding Migratory polyarthritis

The ICD-10-CM code for Migratory polyarthritis is M13.8 (Other specified arthritis).

Within M13, choose M13.8 (Other specified arthritis) only when documentation doesn't support a more specific option: polyarthritis, unspecified (M13.0) and monoarthritis, not elsewhere classified (M13.1).

To report this condition, pick the subcode that matches the documentation: M13.80 (unspecified site), M13.81 (shoulder), M13.82 (elbow), M13.83 (wrist), M13.84 (hand), M13.85 (hip), M13.86 (knee), M13.87 (ankle and foot) and 2 more.

Don't report M13.8 together with the conditions in its Excludes1 note: osteoarthritis (M15-M19).

Don't confuse with (Excludes1 for M13.8)

Common questions about Migratory polyarthritis ICD-10 codes

What is the ICD-10 code for Migratory polyarthritis?

M13.8 — Other specified arthritis (a header code; report a more specific subcode).

Is M13.8 billable?

No. M13.8 is a header code. Report one of its more specific subcodes instead.