ICD-10-CM 2027
ICD-10 code for Reye's syndrome
From the official ICD-10-CM alphabetic index entry “Reye's syndrome”. Page updated September 29, 2026.
About coding Reye's syndrome
The ICD-10-CM code for Reye's syndrome is G93.7 (Reye's syndrome).
Within G93 (other disorders of brain), G93.7 is specifically for Reye's syndrome. Related codes cover cerebral cysts (G93.0), Anoxic brain damage, not elsewhere classified (G93.1), benign intracranial hypertension (G93.2), Postviral and related fatigue syndromes (G93.3), other and unspecified encephalopathy (G93.4), compression of brain (G93.5), cerebral edema (G93.6), other specified disorders of brain (G93.8) and 1 more.
Code first: poisoning due to salicylates, if applicable (T39.0-, with sixth character 1-4).
Use an additional code for adverse effect due to salicylates, if applicable (T39.0-, with sixth character 5).
Common questions about Reye's syndrome ICD-10 codes
What is the ICD-10 code for Reye's syndrome?
- G93.7 — Reye's syndrome.
Is G93.7 billable?
- Yes. G93.7 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G93.7 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G93.7 as a principal diagnosis.
Is G93.7 a CC or MCC?
- G93.7 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.