ICD-10 Code G47.00: Insomnia, unspecified
Diseases of the nervous system
ICD-10 code G47.00 identifies unspecified insomnia when no more specific sleep disorder diagnosis is established.
Coding guidance
The G47.0 subcategory includes insomnia due to a medical condition (G47.01) and other insomnia (G47.09).
Excludes insomnia not due to a substance or known physiological condition, which is classified to F51.0-.
Sleep study findings may support a more specific diagnosis.
Documentation and specificity notes
- Distinguish organic insomnia (G47.-) from nonorganic insomnia (F51.-).
- Document duration, sleep pattern and daytime functional impact.
- Consider evaluation for sleep apnea when clinically indicated.
Related codes
This page provides a general summary for educational purposes and is not a substitute for the official ICD-10-CM code set, the ICD-10-CM Official Guidelines for Coding and Reporting, or payer policy. Code sets are updated annually, verify against the current official release before billing.
FAQ
ICD-10 G47.00, frequently asked questions questions
- What is ICD-10 code G47.00?
- ICD-10 code G47.00 identifies unspecified insomnia when no more specific sleep disorder diagnosis is established.
- Is G47.00 a billable ICD-10 code?
- Yes. G47.00 is a billable and specific ICD-10-CM code that may be used to indicate a diagnosis for reimbursement purposes, provided documentation supports it.
- What documentation supports G47.00?
- Distinguish organic insomnia (G47.-) from nonorganic insomnia (F51.-). Document duration, sleep pattern and daytime functional impact. Consider evaluation for sleep apnea when clinically indicated.
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