ICD-10 CM Code F51
F51
Sleep disorders not due to a substance or known physiological condition
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F51.0 Insomnia not due to a substance or known physiological condition
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F51.1 Hypersomnia not due to a substance or known physiological condition
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F51.3 Sleepwalking [somnambulism]
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F51.4 Sleep terrors [night terrors]
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F51.5 Nightmare disorder
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F51.8 Other sleep disorders not due to a substance or known physiological condition
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F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified
Excludes Type 2
- organic sleep disorders (G47.-)
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