Is F51.19 a billable code?
Yes. F51.19 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
F51.19: Other hypersomnia not due to a substance or known physiological condition
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
F51.19 is a billable ICD-10-CM diagnosis code for other hypersomnia not due to a substance or known physiological condition. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with F51.19 already added.Good Faith EstimateStart a cost estimate with F51.19 already added.CMS-1500 Claim FormFill a claim form with F51.19 in box 21.
Other codes in F51.1 Hypersomnia not due to a substance or known physiological condition
F51.19 questions
What does F51.19 mean?
F51.19 is the ICD-10-CM code for Other hypersomnia not due to a substance or known physiological condition. It is in chapter 5, Mental, behavioral and neurodevelopmental disorders (F01-F99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.