F51Non-billable (header)
Sleep disorders not due to a substance or known physiological condition
Sleep disorders not due to a substance or known physiologica…
Related Codes· Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
Sub-codes of F51(7)
F51 is a non-billable header. Select a sub-code to bill.
F51.0Insomnia not due to a substance or known physiological condi…HeaderF51.1Hypersomnia not due to a substance or known physiological co…HeaderF51.3Sleepwalking [somnambulism]✓ BillableF51.4Sleep terrors [night terrors]✓ BillableF51.5Nightmare disorder✓ BillableF51.8Other sleep disorders not due to a substance or known physio…✓ BillableF51.9Sleep disorder not due to a substance or known physiological…✓ Billable
⚠ Excludes 2(Not included here)
- •organic sleep disorders (G47.-)
Code Hierarchy
┌5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)├F50-F59Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)├F51Sleep disorders not due to a substance or known physiological condition
└F51Sleep disorders not due to a substance or known physiologica…
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