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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-10 from 2011 - 2016

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
Source: Wikipedia

Coding Notes for F51.1 Info for medical coders on how to properly use this ICD-10 code

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

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/F511