ICD-10-CM Diagnosis Code (2025)
Official Description for O16
Unspecified maternal hypertension
Child Codes (More Specific Codes for O16):
O16.1 - Unspecified maternal hypertension, first trimester
O16.2 - Unspecified maternal hypertension, second trimester
O16.3 - Unspecified maternal hypertension, third trimester
O16.4 - Unspecified maternal hypertension, complicating childbirth
O16.5 - Unspecified maternal hypertension, complicating the puerperium
O16.9 - Unspecified maternal hypertension, unspecified trimester
About ICD-10-CM Code O16 (Unspecified maternal hypertension)
ICD-10-CM code O16 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 O16 became effective on October 1, 2024.
This page provides detailed information about O16 - Unspecified maternal hypertension. 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 Unspecified maternal hypertension.