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ICD-10 Coding for Sleep Study(G47.33)

Complete ICD-10-CM coding and documentation guide for Sleep Study. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

PolysomnographyHome Sleep Test

Related ICD-10 Code Ranges

Complete code families applicable to Sleep Study

G47.30-G47.39Primary Range

Sleep Apnea

This range includes codes for different types of sleep apnea, including obstructive sleep apnea (OSA), which is commonly diagnosed through sleep studies.

Key Information: ICD-10 code for obstructive sleep apnea

Essential facts and insights about Sleep Study

The ICD-10 code for obstructive sleep apnea is G47.33, used when the apnea-hypopnea index (AHI) is 5 or more events per hour.

Primary ICD-10-CM Code for sleep study

Obstructive Sleep Apnea (Adult) (Pediatric)
Billable Code

Decision Criteria

clinical Criteria

  • AHI ≥5 events per hour

documentation Criteria

  • Detailed report of sleep study findings

Applicable To

  • Obstructive sleep apnea syndrome

Excludes

  • Central sleep apnea (G47.31)
  • Sleep apnea, unspecified (G47.30)

Clinical Validation Requirements

  • AHI ≥5 events per hour
  • Documented respiratory effort during events

Code-Specific Risks

  • Incorrect use without AHI documentation

Coding Notes

  • Ensure AHI and respiratory effort are documented to support the use of G47.33.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Apnea, not elsewhere classified

R06.81
Use to document symptoms associated with sleep apnea.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Central Sleep Apnea

G47.31
Characterized by lack of respiratory effort during apneic events.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Sleep Study to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G47.33.

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Use standardized templates, Ensure all required metrics are documented

Impact

Reimbursement: Claims may be denied without proper documentation., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data reporting.

Mitigation Strategy

Ensure AHI is documented in the sleep study report.

Impact

Lack of AHI documentation can lead to audit findings.

Mitigation Strategy

Ensure AHI is clearly documented in all sleep study reports.

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 Sleep Study, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Sleep Study

Use these documentation templates to ensure complete and accurate documentation for Sleep Study. These templates include all required elements for proper coding and billing.

Positive Home Sleep Test for OSA

Specialty: Pulmonology

Required Elements

  • Total recording time
  • AHI values
  • Oxygen saturation levels
  • Positional data

Example Documentation

Total Recording Time: 7h12m, AHI: 24.7, SpO₂ Nadir: 79% during REM.

Examples: Poor vs. Good Documentation

Poor Documentation Example
OSA suspected.
Good Documentation Example
AHI: 18 events/hr, nadir SpO₂ 82% in supine REM.
Explanation
The good example provides specific metrics supporting the diagnosis.

Need help with ICD-10 coding for Sleep Study? Ask your questions below.

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