O00-O9A
ICD-10-CM Chapter 15: Pregnancy, childbirth and the puerperium
Chapter 15 of the ICD-10-CM tabular list covers O00-O9A. It contains 9 blocks of related categories, listed below with the categories published in each.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Use additional code
Report an additional code to identify the associated condition.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Notes
- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
O00-O08 — Pregnancy with abortive outcome
- O00Ectopic pregnancycategory
- O01Hydatidiform molecategory
- O02Other abnormal products of conceptioncategory
- O03Spontaneous abortioncategory
- O04Complications following (induced) termination of pregnancycategory
- O07Failed attempted termination of pregnancycategory
- O08Complications following ectopic and molar pregnancycategory
O09 — Supervision of high risk pregnancy
O10-O16 — Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
- O10Pre-existing hypertension compl preg/chldbrthcategory
- O11Pre-existing hypertension with pre-eclampsiacategory
- O12Gestational edema and proteinuria without hypertensioncategory
- O13Gestational hypertension without significant proteinuriacategory
- O14Pre-eclampsiacategory
- O15Eclampsiacategory
- O16Unspecified maternal hypertensioncategory
O20-O29 — Other maternal disorders predominantly related to pregnancy
- O20Hemorrhage in early pregnancycategory
- O21Excessive vomiting in pregnancycategory
- O22Venous complications and hemorrhoids in pregnancycategory
- O23Infections of genitourinary tract in pregnancycategory
- O24Diabetes in pregnancy, childbirth, and the puerperiumcategory
- O25Malnutrition in pregnancy, childbirth and the puerperiumcategory
- O26Maternal care for oth conditions predom related to pregnancycategory
- O28Abnormal findings on antenatal screening of mothercategory
- O29Complications of anesthesia during pregnancycategory
O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems
- O30Multiple gestationcategory
- O31Complications specific to multiple gestationcategory
- O32Maternal care for malpresentation of fetuscategory
- O33Maternal care for disproportioncategory
- O34Maternal care for abnormality of pelvic organscategory
- O35Maternal care for known or suspected fetal abnlt and damagecategory
- O36Maternal care for other fetal problemscategory
- O40Polyhydramnioscategory
- O41Other disorders of amniotic fluid and membranescategory
- O42Premature rupture of membranescategory
- O43Placental disorderscategory
- O44Placenta previacategory
- O45Premature separation of placenta [abruptio placentae]category
- O46Antepartum hemorrhage, not elsewhere classifiedcategory
- O47False laborcategory
- O48Late pregnancycategory
O60-O77 — Complications of labor and delivery
- O60Preterm laborcategory
- O61Failed induction of laborcategory
- O62Abnormalities of forces of laborcategory
- O63Long laborcategory
- O64Obstructed labor due to malposition and malpresent of fetuscategory
- O65Obstructed labor due to maternal pelvic abnormalitycategory
- O66Other obstructed laborcategory
- O67Labor and delivery comp by intrapartum hemorrhage, NECcategory
- O68Labor and delivery comp by abnlt of fetal acid-base balance
- O69Labor and delivery complicated by umbilical cord compcategory
- O70Perineal laceration during deliverycategory
- O71Other obstetric traumacategory
- O72Postpartum hemorrhagecategory
- O73Retained placenta and membranes, without hemorrhagecategory
- O74Complications of anesthesia during labor and deliverycategory
- O75Oth complications of labor and delivery, NECcategory
- O76Abnlt in fetal heart rate and rhythm comp labor and delivery
- O77Other fetal stress complicating labor and deliverycategory
O80-O82 — Encounter for delivery
O85-O92 — Complications predominantly related to the puerperium
- O85Puerperal sepsis
- O86Other puerperal infectionscategory
- O87Venous complications and hemorrhoids in the puerperiumcategory
- O88Obstetric embolismcategory
- O89Complications of anesthesia during the puerperiumcategory
- O90Complications of the puerperium, not elsewhere classifiedcategory
- O91Infect of breast assoc w pregnancy, the puerp and lactationcategory
- O92Oth disord of brst/lactatn assoc w pregnancy and the puerpcategory
O94-O9A — Other obstetric conditions, not elsewhere classified
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.