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Home/Diagnosis/ICD-10 Coding for Drowsiness

ICD-10 Coding for Drowsiness

R40.0
G47.13

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

Also Known as:
Somnolence
Sleepiness
Excessive Daytime Sleepiness
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Key Information: ICD-10 Coding for Drowsiness

Essential facts and insights about ICD-10 Coding for Drowsiness

Use ICD-10 code R40.0 for somnolence, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Somnolence

Billable Code
R40.0
Billable

Diagnostic Criteria

  • • Drowsiness not attributable to insufficient sleep or another primary sleep disorder.

Applicable To

  • • General drowsiness without specified cause

Important Notes

  • • Ensure documentation links drowsiness to any underlying conditions.

Idiopathic hypersomnia

Billable Code
G47.13
Billable

Diagnostic Criteria

  • • Daily hypersomnia >3 months
  • • Unrefreshing naps
  • • Negative MSLT for narcolepsy

Applicable To

  • • Chronic excessive sleepiness

Important Notes

  • • Ensure hypersomnia is well-documented with appropriate sleep study results.
Ancillary Codes

Additional codes that may be used with this diagnosis

E03.9

Hypothyroidism, unspecified

Use when drowsiness is secondary to hypothyroidism.

Frequently Asked Questions

What is the ICD-10 code for drowsiness?

The ICD-10 code for drowsiness is R40.0, used when drowsiness is present without a more specific diagnosis or underlying condition.

How is drowsiness documented for ICD-10 coding?

Drowsiness should be documented with specific details on its impact and any underlying conditions, using terms like 'somnolence' and linking to clinical findings.

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