F51 Sleep disorders not due to a substance or known physiological condition

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Tyoe 2 Excludes

organic sleep disorders (G47.-)

Child Codes


Sibling Codes


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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
Type 2 Excludes
organic sleep disorders (G47.-)

F51.0 Insomnia not due to a substance or known physiological condition
F51.01 Primary insomnia
F51.02 Adjustment insomnia
F51.03 Paradoxical insomnia
F51.04 Psychophysiologic insomnia
F51.05 Insomnia due to other mental disorder
F51.09 Other insomnia 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
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
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