Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A)

72 code categories · 9 sections · ICD-10-CM 2026

Sections

O00-O08 Pregnancy with abortive outcome (O00-O08)
O09 Supervision of high risk pregnancy (O09)
O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
O20-O29 Other maternal disorders predominantly related to pregnancy (O20-O29)
O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
O60-O77 Complications of labor and delivery (O60-O77)
O80-O82 Encounter for delivery (O80-O82)
O85-O92 Complications predominantly related to the puerperium (O85-O92)
O94-O9A Other obstetric conditions, not elsewhere classified (O94-O9A)

Code Categories

O00 Ectopic pregnancy O01 Hydatidiform mole O02 Other abnormal products of conception O03 Spontaneous abortion O04 Complications following (induced) termination of pregnancy O07 Failed attempted termination of pregnancy O08 Complications following ectopic and molar pregnancy O09 Supervision of high risk pregnancy O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium O11 Pre-existing hypertension with pre-eclampsia O12 Gestational [pregnancy-induced] edema and proteinuria without hypertension O13 Gestational [pregnancy-induced] hypertension without significant proteinuria O14 Pre-eclampsia O15 Eclampsia O16 Unspecified maternal hypertension O20 Hemorrhage in early pregnancy O21 Excessive vomiting in pregnancy O22 Venous complications and hemorrhoids in pregnancy O23 Infections of genitourinary tract in pregnancy O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium O25 Malnutrition in pregnancy, childbirth and the puerperium O26 Maternal care for other conditions predominantly related to pregnancy O28 Abnormal findings on antenatal screening of mother O29 Complications of anesthesia during pregnancy O30 Multiple gestation O31 Complications specific to multiple gestation O32 Maternal care for malpresentation of fetus O33 Maternal care for disproportion O34 Maternal care for abnormality of pelvic organs O35 Maternal care for known or suspected fetal abnormality and damage O36 Maternal care for other fetal problems O40 Polyhydramnios O41 Other disorders of amniotic fluid and membranes O42 Premature rupture of membranes O43 Placental disorders O44 Placenta previa O45 Premature separation of placenta [abruptio placentae] O46 Antepartum hemorrhage, not elsewhere classified O47 False labor O48 Late pregnancy O60 Preterm labor O61 Failed induction of labor O62 Abnormalities of forces of labor O63 Long labor O64 Obstructed labor due to malposition and malpresentation of fetus O65 Obstructed labor due to maternal pelvic abnormality O66 Other obstructed labor O67 Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified O68 Labor and delivery complicated by abnormality of fetal acid-base balance O69 Labor and delivery complicated by umbilical cord complications O70 Perineal laceration during delivery O71 Other obstetric trauma O72 Postpartum hemorrhage O73 Retained placenta and membranes, without hemorrhage O74 Complications of anesthesia during labor and delivery O75 Other complications of labor and delivery, not elsewhere classified O76 Abnormality in fetal heart rate and rhythm complicating labor and delivery O77 Other fetal stress complicating labor and delivery O80 Encounter for full-term uncomplicated delivery O82 Encounter for cesarean delivery without indication O85 Puerperal sepsis O86 Other puerperal infections O87 Venous complications and hemorrhoids in the puerperium O88 Obstetric embolism O89 Complications of anesthesia during the puerperium O90 Complications of the puerperium, not elsewhere classified O91 Infections of breast associated with pregnancy, the puerperium and lactation O92 Other disorders of breast and disorders of lactation associated with pregnancy and the puerperium O94 Sequelae of complication of pregnancy, childbirth, and the puerperium O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium O9A Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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