ICD-10-CM O30.021: Conjoined twin pregnancy, first trimester

Parent Code (Less Specific):

About ICD-10-CM Code O30.021 (Conjoined twin pregnancy)

ICD-10-CM code O30.021 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 O30.021 became effective on October 1, 2024.

This page provides detailed information about O30.021 - Conjoined twin pregnancy, 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 Conjoined twin pregnancy related to first trimester.