ICD-10-CM Diagnosis Code (2025)
Official Description for O99.1
Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium
Coding Notes & Guidelines for O99.1
hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
Conditions in D65-D89
Parent Code (Less Specific):
About ICD-10-CM Code O99.1 (Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy)
ICD-10-CM code O99.1 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 O99.1 became effective on October 1, 2024.
This page provides detailed information about O99.1 - Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism 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 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy related to childbirth and the puerperium.