Category · F50-F59
F51Sleep disorders not due to a substance or known physiological condition
18 codes in this category
F51Sleep disorders not due to a substance or known physiological conditionHeaderF51.0Insomnia not due to a substance or known physiological conditionHeaderF51.01Primary insomniaBillableF51.02Adjustment insomniaBillableF51.03Paradoxical insomniaBillableF51.04Psychophysiologic insomniaBillableF51.05Insomnia due to other mental disorderBillableF51.09Other insomnia not due to a substance or known physiological conditionBillableF51.1Hypersomnia not due to a substance or known physiological conditionHeaderF51.11Primary hypersomniaBillableF51.12Insufficient sleep syndromeBillableF51.13Hypersomnia due to other mental disorderBillableF51.19Other hypersomnia not due to a substance or known physiological conditionBillableF51.3Sleepwalking [somnambulism]BillableF51.4Sleep terrors [night terrors]BillableF51.5Nightmare disorderBillableF51.8Other sleep disorders not due to a substance or known physiological conditionBillableF51.9Sleep disorder not due to a substance or known physiological condition, unspecifiedBillable