ICD-10-CM Code F51.1
Hypersomnia not due to a substance or known physiological condition
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.ICD Code F51.1 is a non-billable code. To code a diagnosis of this type, you must use one of the four child codes of F51.1 that describes the diagnosis 'hypersomnia not due to a substance or known physiol cond' in more detail.
The ICD code F511 is used to code Excessive daytime sleepiness
Excessive daytime sleepiness (EDS) is characterized by persistent sleepiness and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep. EDS can be considered as a broad condition encompassing several sleep disorders where increased sleep is a symptom, or as a symptom of another underlying disorder like narcolepsy, sleep apnea or a circadian rhythm disorder.
| Specialty: | Neurology |
| MeSH Codes: | D006970, D006970, D006970, D006970, D006970, D006970, D006970 |
| ICD 9 Codes: | 291.82, 292.85, 307.43, 307.44, 327.1, 780.53, 780.54 |
Coding Notes for F51.1 Info for medical coders on how to properly use this ICD-10 code
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Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here." - Alcohol related hypersomnia (F10.182, F10.282, F10.982) - instead, use code F10.182
- Drug-related hypersomnia (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) - instead, use code F11.182
- Hypersomnia NOS - instead, use code G47.10
- Hypersomnia due to known physiological condition - instead, use code G47.10
- Idiopathic hypersomnia (G47.11, G47.12) - instead, use code G47.11
- Narcolepsy - instead, use code G47.4-
ICD-10-CM Alphabetical Index References for 'F51.1 - Hypersomnia not due to a substance or known physiological condition'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code F51.1. Click on any term below to browse the alphabetical index.
Parent Code: F51 - Sleep disorders not due to a substance or known physiological condition