Additional Information
From parent codes: F01-F99 (Chapter 5)
More Specific Codes (7)
F51.0Insomnia not due to a substance or known physiological condition→F51.1Hypersomnia not due to a substance or known physiological condition→F51.3Sleepwalking [somnambulism]→F51.4Sleep terrors [night terrors]→F51.5Nightmare disorder→F51.8Other sleep disorders not due to a substance or known physiological condition→F51.9Sleep disorder not due to a substance or known physiological condition, unspecified→