O11.9
Pre-existing hypertension with pre-eclampsia, unspecified trimester
ICD-10-CM Coding Rules
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O11.9
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O11.9
Approximate Synonyms
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Pre-eclampsia added to pre-existing hypertension
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Preeclampsia with preexisting hypertension
Details
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O11.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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Short description: Pre-existing hypertension with pre-eclampsia, unsp trimester
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The 2023 edition of ICD-10-CM O11.9 became effective on October 1, 2022.
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This is the American ICD-10-CM version of O11.9 – other international versions of ICD-10 O11.9 may differ.