M30.3: Mucocutaneous lymph node syndrome [Kawasaki]
M30.3 is the billable ICD-10-CM diagnosis code for Mucocutaneous lymph node syndrome [Kawasaki]. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code M30.3?
M30.3 is the ICD-10-CM diagnosis code for Mucocutaneous lymph node syndrome [Kawasaki]. It belongs to category M30 (Polyarteritis nodosa and related conditions).
Is M30.3 a billable code?
Yes. M30.3 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does M30.3 belong to?
M30.3 is part of ICD-10-CM category M30 — Polyarteritis nodosa and related conditions, which has 10 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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