F51.9

Nonorganic sleep disorder, unspecified

Coding guidance (WHO 2019)

Emotional sleep disorder NOS

Sibling codes

F51Nonorganic sleep disorders F51.0Nonorganic insomnia F51.1Nonorganic hypersomnia F51.2Nonorganic disorder of the sleep-wake schedule F51.3Sleepwalking [somnambulism]F51.4Sleep terrors [night terrors]F51.5Nightmares F51.8Other nonorganic sleep disorders