O99.1

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium: Pregnancy, childbirth and the puerperium (ICD-10-CM O00 to O9A), a category with codes of its own under it.