ICD-10 CM Code G47.2
G47.2
Circadian rhythm sleep disorders
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G47.20 Circadian rhythm sleep disorder, unspecified type
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G47.21 Circadian rhythm sleep disorder, delayed sleep phase type
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G47.22 Circadian rhythm sleep disorder, advanced sleep phase type
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G47.23 Circadian rhythm sleep disorder, irregular sleep wake type
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G47.24 Circadian rhythm sleep disorder, free running type
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G47.25 Circadian rhythm sleep disorder, jet lag type
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G47.26 Circadian rhythm sleep disorder, shift work type
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G47.27 Circadian rhythm sleep disorder in conditions classified elsewhere
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G47.29 Other circadian rhythm sleep disorder
Inclusion Term
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Excludes Type 2
- nightmares (F51.5)
- nonorganic sleep disorders (F51.-)
- sleep terrors (F51.4)
- sleepwalking (F51.3)
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