ICD-10-CM O43.021: Fetus-to-fetus placental transfusion syndrome, first trimester

ICD-10-CM Diagnosis Code (2025)

Official Description for O43.021

Fetus-to-fetus placental transfusion syndrome, first trimester

Parent Code (Less Specific):

About ICD-10-CM Code O43.021 (Fetus-to-fetus placental transfusion syndrome)

ICD-10-CM code O43.021 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O43.021 became effective on October 1, 2024.

This page provides detailed information about O43.021 - Fetus-to-fetus placental transfusion syndrome, first trimester. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Fetus-to-fetus placental transfusion syndrome related to first trimester.