O09.21
Supervision of pregnancy with history of pre-term labor
Details
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O09.21 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM O09.21 became effective on October 1, 2022.
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This is the American ICD-10-CM version of O09.21 – other international versions of ICD-10 O09.21 may differ.