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v1.0.0
ICD-10 Guide
ICD-10 CodesG47.9

G47.9

Billable

Sleep disorder, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 G47.9 is a billable code used to indicate a diagnosis of sleep disorder, unspecified.

Key Diagnostic Point:

Sleep disorder, unspecified (G47.9) is a broad category that encompasses various sleep-related conditions that do not fit into more specific classifications. Patients may present with symptoms such as excessive daytime sleepiness, insomnia, or disrupted sleep patterns without a clear diagnosis. This code is often used when the clinician has not yet determined the specific type of sleep disorder, which may include conditions like sleep apnea, narcolepsy, or restless leg syndrome. The lack of specificity can complicate treatment plans and may require further diagnostic testing, such as polysomnography, to identify the underlying cause. The clinical implications of unspecified sleep disorders can be significant, as they may lead to chronic health issues, impaired cognitive function, and decreased quality of life. Accurate coding is essential for appropriate management and reimbursement, and it highlights the need for thorough patient evaluation and documentation to guide future treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in patient symptoms and presentations
  • Need for comprehensive sleep history and evaluation
  • Potential overlap with other sleep disorders
  • Documentation requirements for unspecified conditions

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the type of sleep disorder
  • Lack of supporting diagnostic tests
  • Misuse of unspecified codes when specific codes are available

Specialty Focus

Medical Specialties

Sleep Medicine

Documentation Requirements

Detailed sleep history, results from sleep studies, and treatment plans.

Common Clinical Scenarios

Patients presenting with excessive daytime sleepiness, insomnia, or other sleep disturbances.

Billing Considerations

Ensure that all relevant sleep study results and patient history are documented to support the diagnosis.

Pulmonology

Documentation Requirements

Documentation of respiratory symptoms, sleep study results, and treatment for sleep apnea.

Common Clinical Scenarios

Patients with suspected obstructive sleep apnea presenting with snoring and daytime fatigue.

Billing Considerations

Focus on documenting the relationship between respiratory conditions and sleep disorders.

Coding Guidelines

Inclusion Criteria

Use G47.9 When
  • According to ICD
  • 10 coding guidelines, G47
  • 9 should be used when the specific type of sleep disorder is not documented
  • Coders should ensure that all relevant clinical information is captured to support the use of this code

Exclusion Criteria

Do NOT use G47.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95810CPT Code

Polysomnography, sleep study

Clinical Scenario

Used to evaluate patients with suspected sleep disorders.

Documentation Requirements

Document indications for the sleep study and results.

Specialty Considerations

Sleep specialists should ensure comprehensive reporting of findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more detailed coding of sleep disorders, but G47.9 remains a catch-all for unspecified cases, which can complicate treatment and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more detailed coding of sleep disorders, but G47.9 remains a catch-all for unspecified cases, which can complicate treatment and reimbursement.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Academy of Sleep Medicine

Coding & Billing References

  • •
    American Academy of Sleep Medicine

Frequently Asked Questions

When should G47.9 be used?

G47.9 should be used when a patient presents with sleep-related symptoms but does not have a specific diagnosis established. It is important to document the reasons for using this unspecified code.