ICD-9-CM

327.4 Organic parasomnia Excludes: alcohol induced parasomnia (291.82) drug induced parasomnia (292.85) parasomnia not due to a known physiological condition (307.47)
327.40: Organic parasomnia, unspecified
327.41: Confusional arousals
327.42: REM sleep behavior disorder
327.43: Recurrent isolated sleep paralysis
327.44: Parasomnia in conditions classified elsewhere Code first underlying condition 327.49 Other organic parasomnia

327.4 Organic parasomnia

Excludes:

alcohol induced parasomnia (291.82)

drug induced parasomnia (292.85)

parasomnia not due to a known physiological condition (307.47)

Code first underlying condition

327.49 Other organic parasomnia

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