ICD-10-CM
ICD-10 code for Narcolepsy with cataplexy: G47.411
The ICD-10-CM index points "Narcolepsy with cataplexy" to G47.411, Narcolepsy with cataplexy. G47.411 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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