ICD-10 Coding for Daytime Somnolence(R40.0, G47.10)
Complete ICD-10-CM coding and documentation guide for Daytime Somnolence. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Daytime Somnolence
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| R40.0 | Somnolence | Use when excessive daytime sleepiness is present without a confirmed underlying condition. |
|
| G47.10 | Hypersomnia, unspecified | Use when hypersomnia is diagnosed but not further specified. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for daytime somnolence
Essential facts and insights about Daytime Somnolence
Primary ICD-10-CM Codes for daytime somnolence
Decision Criteria
clinical Criteria
- Absence of specific sleep disorder diagnosis
documentation Criteria
- ESS score indicating significant sleepiness
Clinical Validation Requirements
- Documented excessive daytime sleepiness without confirmed etiology
- Negative polysomnography/multiple sleep latency test
- Normal thyroid function tests
Code-Specific Risks
- Risk of undercoding if underlying condition is not identified
Coding Notes
- Ensure documentation clearly states the absence of a specific diagnosis when using R40.0.
G47.10 - Hypersomnia, unspecified
Use when hypersomnia is diagnosed but not further specified.
Applicable To
- Unspecified hypersomnia
Excludes
- Narcolepsy (G47.4)
Clinical Validation Requirements
- Documented hypersomnia without specific etiology
- Exclusion of other sleep disorders
Coding Notes
Ensure all relevant sleep studies are documented.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Long-term (current) use of sedative or hypnotic
Z79.4Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Hypersomnia, unspecified
G47.10Obstructive sleep apnea (adult) (pediatric)
G47.33Idiopathic hypersomnia with long sleep time
G47.11Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Daytime Somnolence to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R40.0.
Impact
Clinical: Inadequate evidence for diagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential denial of claims.
Mitigation Strategy
Ensure all sleep studies are documented in the patient's record., Review documentation before claim submission.
Impact
Reimbursement: May lead to incorrect DRG assignment and reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on patient conditions.
Mitigation Strategy
Use the specific code for the diagnosed condition, such as G47.33 for OSA.
Impact
Risk of audits due to incorrect use of unspecified codes.
Mitigation Strategy
Use specific codes when possible and ensure thorough documentation.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Daytime Somnolence, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Daytime Somnolence
Use these documentation templates to ensure complete and accurate documentation for Daytime Somnolence. These templates include all required elements for proper coding and billing.
Daytime Somnolence Assessment
Specialty: NeurologyRequired Elements
- ESS score
- Sleep study results
- Medication review
- Functional impact
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
Need help with ICD-10 coding for Daytime Somnolence? Ask your questions below.