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Home/Diagnosis/ICD-10 Coding for Hypersomnolence

ICD-10 Coding for Hypersomnolence

G47.11
G47.12
G47.14

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

Also Known as:
Excessive Daytime Sleepiness
Idiopathic Hypersomnia
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Key Information: ICD-10 Coding for Hypersomnolence

Essential facts and insights about ICD-10 Coding for Hypersomnolence

Use ICD-10 code G47.11 for idiopathic hypersomnia with long sleep time, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Idiopathic hypersomnia with long sleep time

Billable Code
G47.11
Billable

Diagnostic Criteria

clinical:
  • • Patient has excessive sleep duration confirmed by actigraphy.
documentation:
  • • MSLT and PSG results must be documented.

Applicable To

  • • Idiopathic hypersomnia with more than 10 hours of sleep

Important Notes

  • • Ensure documentation includes specific sleep duration and test results.

Idiopathic hypersomnia without long sleep time

Billable Code
G47.12
Billable

Diagnostic Criteria

clinical:
  • • MSLT mean latency <8 minutes
  • • PSG shows 6-10 hours of sleep

Applicable To

  • • Idiopathic hypersomnia with normal sleep duration

Important Notes

  • • Ensure sleep duration is documented accurately.

Hypersomnia due to medical condition

Billable Code
G47.14
Billable

Diagnostic Criteria

clinical:
  • • Documentation of underlying medical condition causing hypersomnia

Applicable To

  • • Hypersomnia secondary to conditions like Parkinson’s or MS

Important Notes

  • • Ensure the underlying condition is documented and coded.
Frequently Asked Questions

What is the ICD-10 code for hypersomnolence?

The ICD-10 code for hypersomnolence is G47.1, with specific codes like G47.11 for idiopathic hypersomnia with long sleep time.

How is idiopathic hypersomnia documented?

Idiopathic hypersomnia is documented with MSLT and PSG results, showing mean latency <8 minutes and sleep duration >10 hours for G47.11.

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