F51.0 — Insomnia not due to a substance or known physiological condition
Is F51.0 billable?
No — F51.0 is a non-billable header code. F51.0 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath F51.0.
F51.0 at a glance
| Code | F51.0 |
|---|---|
| Description | Insomnia not due to a substance or known physiological condition |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of F51.0, but a patient may have both at the same time. When documentation supports it, F51.0 and the excluded code may both be reported.
- alcohol related insomnia (F10.182, F10.282, F10.982)
- drug-related insomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
- insomnia NOS (G47.0-)
- insomnia due to known physiological condition (G47.0-)
- organic insomnia (G47.0-)
- sleep deprivation (Z72.820)
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F51.0, but a patient may have both at the same time. When documentation supports it, F51.0 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F51
The conditions below are not part of F51.0, but a patient may have both at the same time. When documentation supports it, F51.0 and the excluded code may both be reported.
- organic sleep disorders (G47.-)
What codes fall under F51.0? (6)
How long has F51.0 existed?
F51.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the F51 family? (6)
- F51.1Hypersomnia not due to a substance or known physiological conditionnot billable
- F51.3Sleepwalking [somnambulism]
- F51.4Sleep terrors [night terrors]
- F51.5Nightmare disorder
- F51.8Other sleep disorders not due to a substance or known physiological condition
- F51.9Sleep disorder not due to a substance or known physiological condition, unspecified