G47.421
Narcolepsy in conditions classified elsewhere with cataplexy
ICD-10-CM Coding Rules
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G47.421
Approximate Synonyms
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Secondary cataplexy and narcolepsy
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Secondary narcolepsy with cataplexy
Details
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G47.421 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM G47.421 became effective on October 1, 2022.
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This is the American ICD-10-CM version of G47.421 – other international versions of ICD-10 G47.421 may differ.