G47.419

G47.419: Narcolepsy without cataplexy

Billable / specific codeICD-10-CM

G47.419 is a billable, specific ICD-10-CM code for narcolepsy without cataplexy. It is valid for submission on a claim.

Check G47.419 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Narcolepsy NOS

Excludes2 inherited from the categories above G47.419

Not part of this code, but both may be coded when both are present.

Written on G47: Sleep disorders

nightmares (F51.5)
nonorganic sleep disorders (F51.-)
sleep terrors (F51.4)
sleepwalking (F51.3)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G47.419 is named in 19 Medicare coverage policies: 15 listing it as supporting medical necessity, and 4 listing it as NOT covered. Which one applies depends on your Medicare contractor.

A56857Billing and Coding: MolDX: HLA-DQB1*06:02 Testing for Narcolepsynot covered
A56881Billing and Coding: MolDX: HLA-DQB1*06:02 Testing for Narcolepsynot covered
A57441Billing and Coding: MolDX: HLA-DQB1*06:02 Testing for Narcolepsynot covered
A57575Billing and Coding: MolDX: HLA-DQB1*06:02 Testing for Narcolepsynot covered

Alphabetic index entries that lead here

Gélineau's syndrome
Narcolepsy
Syndrome›Gelineau's

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G47.41

G47.411Narcolepsy with cataplexy