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Home/Diagnosis/ICD-10 Coding for Narcolepsy Without Cataplexy

ICD-10 Coding for Narcolepsy Without Cataplexy

G47.419
G47.429

Complete ICD-10-CM coding and documentation guide for icd-10 coding for narcolepsy without cataplexy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Narcolepsy Type 2
Narcolepsy without sudden muscle weakness
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Key Information: ICD-10 Coding for Narcolepsy Without Cataplexy

Essential facts and insights about ICD-10 Coding for Narcolepsy Without Cataplexy

Use ICD-10 code G47.419 for narcolepsy without cataplexy, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Narcolepsy without cataplexy

Billable Code
G47.419
Billable

Diagnostic Criteria

clinical:
  • • MSLT results with mean sleep latency ≤8 minutes and ≥2 SOREMPs
documentation:
  • • Explicit documentation of no cataplexy

Applicable To

  • • Primary narcolepsy without cataplexy

Important Notes

  • • Ensure documentation explicitly states absence of cataplexy.

Narcolepsy in conditions classified elsewhere

Billable Code
G47.429
Billable

Diagnostic Criteria

clinical:
    documentation:
    • • Documentation of underlying condition causing narcolepsy

    Applicable To

    • • Secondary narcolepsy without cataplexy

    Important Notes

    • • Ensure underlying condition is documented and coded first.
    Ancillary Codes

    Additional codes that may be used with this diagnosis

    R40.0

    Excessive daytime sleepiness

    Use if excessive daytime sleepiness is documented but not inherent in primary code.

    Frequently Asked Questions

    What is the ICD-10 code for narcolepsy without cataplexy?

    The ICD-10 code for narcolepsy without cataplexy is G47.419. It is used when narcolepsy is confirmed without cataplexy and no underlying condition is present.

    How is narcolepsy without cataplexy documented?

    Document narcolepsy without cataplexy by including a comprehensive sleep history, MSLT results, PSG results, and explicitly stating the absence of cataplexy.

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