F51 Sleep disorders not due to a substance or known physiological condition

Non-billable header with 7 child codes.

Excludes2 (not included here)

• organic sleep disorders (G47.-)

Applies from F51 Sleep disorders not due to a substance or known physiological condition

Excludes2 (not included here)

• organic sleep disorders (G47.-)

Codes under F51

• F51.0 Insomnia not due to a substance or known physiological condition
• F51.1 Hypersomnia not due to a substance or known physiological condition
• F51.3 Sleepwalking [somnambulism]
• F51.4 Sleep terrors [night terrors]
• F51.5 Nightmare disorder
• F51.8 Other sleep disorders not due to a substance or known physiological condition
• F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified

Code annotations containing back-references to F51

Back-references to F51

• Type 2 Excludes: F98 Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence ("sleep disorders not due to a substance or known physiological condition (F51.-)")
• Type 2 Excludes: G47 Sleep disorders ("nonorganic sleep disorders (F51.-)")

Back-references to F51

• Type 2 Excludes: F98 Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence ("sleep disorders not due to a substance or known physiological condition (F51.-)")
• Type 2 Excludes: G47 Sleep disorders ("nonorganic sleep disorders (F51.-)")

Nearby codes

• F51 Sleep disorders not due to a substance or known physiological condition (this code)
• F51.0 Insomnia not due to a substance or known physiological condition
• F51.01 Primary insomnia
• F51.02 Adjustment insomnia
• F51.03 Paradoxical insomnia
• F51.04 Psychophysiologic insomnia