F51 — ICD-10-CM Diagnosis Codes

• F51 Sleep disorders not due to a substance or known physiological condition
• F51.0 Insomnia not due to a substance or known physiological condition
• F51.01 Primary insomnia billable
• F51.02 Adjustment insomnia billable
• F51.03 Paradoxical insomnia billable
• F51.04 Psychophysiologic insomnia billable
• F51.05 Insomnia due to other mental disorder billable
• F51.09 Other insomnia not due to a substance or known physiological condition billable
• F51.1 Hypersomnia not due to a substance or known physiological condition
• F51.11 Primary hypersomnia billable
• F51.12 Insufficient sleep syndrome billable
• F51.13 Hypersomnia due to other mental disorder billable
• F51.19 Other hypersomnia not due to a substance or known physiological condition billable
• F51.3 Sleepwalking [somnambulism] billable
• F51.4 Sleep terrors [night terrors] billable
• F51.5 Nightmare disorder billable
• F51.8 Other sleep disorders not due to a substance or known physiological condition billable
• F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified billable