F51.5
Nightmare disorder
Billable
Code Hierarchy
F51F51.5
Coding Guidelines
Inclusion Terms
- Dream anxiety disorder
Related Codes
F51.0Category
Insomnia not due to a substance or known physiological condition
F51.1Category
Hypersomnia not due to a substance or known physiological condition
F51.3Billable
Sleepwalking [somnambulism]
F51.4Billable
Sleep terrors [night terrors]
F51.8Billable
Other sleep disorders not due to a substance or known physiological condition
F51.9Billable
Sleep disorder not due to a substance or known physiological condition, unspecified
