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Complications of Pregnancy

Originally published July 26, 2018. ICD-10 codes are updated every October; check that each code is still valid and fully specified (trimester, episode) before billing. Payer rules change; confirm current CMS and payer requirements before billing.

Complications of pregnancy are health problems caused by the pregnancy. Below are the most commonly coded maternity complications.

O00.9
Ectopic pregnancy: implantation of the embryo outside the uterus
O13.9
Pregnancy-induced hypertension (gestational hypertension)
O14.9
Pre-eclampsia: high blood pressure with protein in the urine, or liver or kidney abnormalities, after 20 weeks
O15.00
Eclampsia: seizures in a patient with pre-eclampsia
O21.1
Hyperemesis gravidarum: severe, persistent vomiting
O22.30
Deep vein thrombosis (DVT)
O23.40
Urinary tract infection
O24.410
Gestational diabetes: high blood sugar developing during pregnancy, usually around week 24
O36.0990
Rhesus isoimmunization: Rh-negative mother with an Rh-positive baby
O41.00X0
Oligohydramnios: too little amniotic fluid
O44.00
Placenta previa: placenta fully or partly covers the cervix
O45.90
Placental abruption: separation of the placenta from the uterus
O60.00
Preterm labor: labor before 37 completed weeks
O99.019
Anemia complicating pregnancy
O99.820
Group B strep carrier in pregnancy
R10.2
Pelvic girdle pain

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