ICD-10-CM Z3A.1: Weeks of gestation of pregnancy, weeks 10-19

Parent Code (Less Specific):

About ICD-10-CM Code Z3A.1 (Weeks of gestation of pregnancy)

ICD-10-CM code Z3A.1 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 Z3A.1 became effective on October 1, 2024.

This page provides detailed information about Z3A.1 - Weeks of gestation of pregnancy, weeks 10-19. 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 Weeks of gestation of pregnancy related to weeks 10-19.