ICD-10 Diagnosis Code M30.3

Mucocutaneous lymph node syndrome [Kawasaki]

Diagnosis Code M30.3

ICD-10: M30.3
Short Description: Mucocutaneous lymph node syndrome [Kawasaki]
Long Description: Mucocutaneous lymph node syndrome [Kawasaki]
This is the 2019 version of the ICD-10-CM diagnosis code M30.3

Valid for Submission
The code M30.3 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Systemic connective tissue disorders (M30-M36)
      • Polyarteritis nodosa and related conditions (M30)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code M30.3 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 446.1 - Mucocutan lymph node syn

  • Acute febrile mucocutaneous lymph node syndrome

Information for Patients

Kawasaki Disease

Also called: Mucocutaneous lymph node syndrome

Kawasaki disease is a rare childhood disease. It makes the walls of the blood vessels in the body become inflamed. It can affect any type of blood vessel, including the arteries, veins, and capillaries.

No one knows what causes Kawasaki disease. Symptoms include

  • High fever that lasts longer than 5 days
  • Swollen lymph nodes in the neck
  • A rash on the mid-section and genital area
  • Red, dry, cracked lips and a red, swollen tongue
  • Red, swollen palms of the hands and soles of the feet
  • Redness of the eyes

Kawasaki disease can't be passed from one child to another. There is no single test. To diagnose it, doctors look at the signs and symptoms. They may also use an echocardiogram or other tests. It is mainly treated with medicines. Rarely, medical procedures and surgery also may be used for children whose coronary arteries are affected.

Kawasaki disease can't be prevented. However, most children who develop the disease fully recover - usually within weeks of getting signs and symptoms. Further problems are rare.

NIH: National Heart, Lung, and Blood Institute

  • Electrocardiogram (Medical Encyclopedia)
  • Kawasaki disease (Medical Encyclopedia)


Kawasaki disease Kawasaki disease is a sudden and time-limited (acute) illness that affects infants and young children. Affected children develop a prolonged fever lasting several days, a skin rash, and swollen lymph nodes in the neck (cervical lymphadenopathy). They also develop redness in the whites of the eyes (conjunctivitis) and redness (erythema) of the lips, lining of the mouth (oral mucosa), tongue, palms of the hands, and soles of the feet.Without treatment, 15 to 25 percent of individuals with Kawasaki disease develop bulging and thinning of the walls of the arteries that supply blood to the heart muscle (coronary artery aneurysms) or other damage to the coronary arteries, which can be life-threatening.
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