MCMedicalCodingSoftware
M30.3

M30.3: Mucocutaneous lymph node syndrome [Kawasaki]

Billable / specific codeICD-10-CM

M30.3 is a billable, specific ICD-10-CM code for mucocutaneous lymph node syndrome [kawasaki]. It is valid for submission on a claim.

Check M30.3 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above M30.3

A category’s note binds every code beneath it.

Written on M30: Polyarteritis nodosa and related conditions

  • microscopic polyarteritis (M31.7)

Risk adjustment

M30.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders0.617 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

M30.3 is named in 19 Medicare coverage policies: 12 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Alphabetic index entries that lead here

  • Kawasaki's syndrome
  • Syndrome›mucocutaneous lymph node(acute febrile) (MCLS)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M30

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.