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Home/Diagnosis/ICD-10 Coding for Narcolepsy

ICD-10 Coding for Narcolepsy

G47.411
G47.419

Complete ICD-10-CM coding and documentation guide for icd-10 coding for narcolepsy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Excessive Daytime Sleepiness
Hypersomnia with Cataplexy
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Key Information: ICD-10 Coding for Narcolepsy

Essential facts and insights about ICD-10 Coding for Narcolepsy

Use ICD-10 code G47.411 for narcolepsy with cataplexy, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Narcolepsy with cataplexy

Billable Code
G47.411
Billable

Diagnostic Criteria

  • • Presence of cataplexy and MSLT findings

Applicable To

  • • Narcolepsy type 1

Important Notes

  • • Ensure cataplexy is confirmed with video or EEG.

Narcolepsy without cataplexy

Billable Code
G47.419
Billable

Diagnostic Criteria

  • • MSLT showing mean sleep latency ≤8 minutes with ≥2 SOREMPs

Applicable To

  • • Narcolepsy type 2

Important Notes

  • • Ensure absence of cataplexy is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

R40.0

Somnolence

Use to document excessive daytime sleepiness.

Z86.59

Personal history of narcolepsy

Use for patients with a history of narcolepsy.

Frequently Asked Questions

What is the ICD-10 code for narcolepsy with cataplexy?

The ICD-10 code for narcolepsy with cataplexy is G47.411. It requires documentation of cataplexy and MSLT findings.

How is narcolepsy diagnosed?

Narcolepsy is diagnosed using the MSLT, which measures sleep latency and SOREMPs, and may include CSF hypocretin levels.

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