ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

F51.11 – Primary hypersomnia

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

307.44

Fs: 10000 – Persistent disorder of initiating or maintaining wakefulness

MDC / MS-DRG Reference

DRG 887

OTHER MENTAL DISORDER DIAGNOSES

Back Reference of Diagnostic Codes

Hypersomnia (organic) G47.10

nonorganic origin F51.11

not due to a substance or known physiological condition F51.11

primary F51.11

Somnolence R40.0

nonorganic origin F51.11

Sibling Codes

F51.12

Insufficient sleep syndrome

F51.13

Hypersomnia due to other mental disorder

F51.19

Other hypersomnia not due to a substance or known physiological condition

Parent Sibling Codes

F51.0

Insomnia not due to a substance or known physiological condition

F51.1

Hypersomnia not due to a substance or known physiological condition

F51.3

Sleepwalking [somnambulism]

F51.4

Sleep terrors [night terrors]

F51.5

Nightmare disorder

F51.8

Other sleep disorders not due to a substance or known physiological condition

F51.9

Sleep disorder not due to a substance or known physiological condition, unspecified

View in Tabular

Code	Title
F01-F99	Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F50-F59	Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
F51	Sleep disorders not due to a substance or known physiological condition
F51.1	Hypersomnia not due to a substance or known physiological condition
F51.11	Primary hypersomnia