G47.419 Narcolepsy without cataplexy
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Narcolepsy without cataplexy
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Narcolepsy NOS
Excludes2
Not part of this code, but both can be coded when both are documented.
Related codes
G47.36Sleep related hypoventilation in conditions classified elsewhere ICD-10-CMG47.37Central sleep apnea in conditions classified elsewhere ICD-10-CMG47.39Other sleep apnea ICD-10-CMG47.411Narcolepsy with cataplexy ICD-10-CMG47.421Narcolepsy in conditions classified elsewhere with cataplexy ICD-10-CMG47.429Narcolepsy in conditions classified elsewhere without cataplexy ICD-10-CMG47.50Parasomnia, unspecified ICD-10-CMG47.51Confusional arousals ICD-10-CM
Common questions
Is G47.419 a billable code?
Yes. G47.419 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.