ICD-10-CM O10.4: Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

ICD-10-CM Diagnosis Code (2025)

Official Description for O10.4

Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

Coding Notes & Guidelines for O10.4

Use Additional Code

code from I15 to identify the type of secondary hypertension

Inclusion Terms

Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Parent Code (Less Specific):

O10 - Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

About ICD-10-CM Code O10.4 (Pre-existing secondary hypertension complicating pregnancy)

ICD-10-CM code O10.4 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 O10.4 became effective on October 1, 2024.

This page provides detailed information about O10.4 - Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium. 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 Pre-existing secondary hypertension complicating pregnancy related to childbirth and the puerperium.