ICD-10-CM Diagnosis Code (2025)
Official Description for O21.0
Mild hyperemesis gravidarum
Coding Notes & Guidelines for O21.0
Inclusion Terms
Hyperemesis gravidarum, mild or unspecified, starting before the end of the 20th week of gestation
Parent Code (Less Specific):
About ICD-10-CM Code O21.0 (Mild hyperemesis gravidarum)
ICD-10-CM code O21.0 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 O21.0 became effective on October 1, 2024.
This page provides detailed information about O21.0 - Mild hyperemesis gravidarum. 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 Mild hyperemesis gravidarum.