The ICD-10 code range for Behavioral syndromes associated with physiological disturbances and physical factors F50-F59 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (F50-F59), Behavioral syndromes associated with physiological disturbances and physical factors contains ICD-10 codes for Sleep disorders not due to a substance or known physiological condition, Insomnia not due to a substance or known physiological condition, Hypersomnia not due to a substance or known physiological condition, Sleepwalking [somnambulism], Sleep terrors [night terrors], Nightmare disorder, Other sleep disorders not due to a substance or known physiological condition, Sleep disorder not due to a substance or known physiological condition, unspecified