Alphabetic Index · main term
West's syndrome
West's syndrome is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Epilepsy, spasms, which lists G40.822. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Epilepsy, epileptic, epilepsia (attack) (cerebral) (convulsion) (fit) (seizure), spasms
Epileptic spasms, not intractable, without status epilepticus