What ICD-10 codes are used for chronic insomnia?
Chronic insomnia is a persistent sleep disorder characterized by difficulty initiating or maintaining sleep. This leads to daytime impairments such as fatigue, mood disturbances, and decreased cognitive performance. It can be primary or secondary to other conditions like other mental disorders, substance use, or physiological conditions.
Proper coding is essential for accurate diagnosis, treatment planning, and reimbursement. Here are the commonly used ICD-10-CM codes for this condition:
F51.05: Insomnia not due to a substance or known physiological condition, chronic
This code is for chronic insomnia associated with mental disorders not classified elsewhere. This is applicable to:
- Insomnia due to anxiety disorders
- Insomnia due to depression
F51.09: Other insomnia not due to a substance or known physiological condition
This code is chronic insomnia not attributed to substances or physiological conditions, which can be applied to:
- Idiopathic insomnia
- Primary insomnia
G47.00: Insomnia, unspecified
Used when insomnia is diagnosed, but the underlying cause is not specified. This can be associated with insomnia NOS (not otherwise specified) or sleep deprivation, unspecified.
G47.01 – Insomnia due to medical condition
Insomnia resulting from a medical condition which can be relevant to insomnia due to chronic pain and insomnia due to asthma
G47.02 – Insomnia due to drug or substance
This code is used for drug-related insomnia, including cases caused by medication side effects, stimulant use, or withdrawal. This can be associated with alcohol-related insomnia and drug-induced insomnia.