F51 - Sleep disorders not due to a substance or known physiological condition
F51.0 - Insomnia not due to a substance or known physiological condition
Excludes 2:
-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)
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