O01 - Hydatidiform mole
ICD-10-CM Chapter 15: Pregnancy, childbirth and the puerperium · O00-O08 Pregnancy with abortive outcome (O00-O08) · Top-level category · FY2027
Coding Guidance
O01 is a non-billable heading. Report one of the 3 more specific codes below.
Includes, Excludes and Coding Notes
Mutually exclusive: these conditions are never reported together with this code.
- chorioadenoma (destruens) (D39.2)
- malignant hydatidiform mole (D39.2)
Add a secondary code to identify the associated condition or cause when it is documented.
- code from category O08 to identify any associated complication.
Mutually exclusive: these conditions are never reported together with this code.
- continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)
Mutually exclusive: these conditions are never reported together with this code.
- supervision of normal pregnancy (Z34.-)
Not part of this code; report both codes when the patient has both conditions.
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Add a secondary code to identify the associated condition or cause when it is documented.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Instructional notes from the ICD-10-CM tabular list.
- 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
More Specific Codes (3)
Related condition guides
Documentation requirements, coding pitfalls and FAQs for conditions coded with O01.
More specific codes for O01
Codes at the same level as O01
- Ectopic pregnancyO00
- Other abnormal products of conceptionO02
- Spontaneous abortionO03
- Complications following (induced) termination of pregnancyO04
- Failed attempted termination of pregnancyO07
- Complications following ectopic and molar pregnancyO08
- Supervision of high risk pregnancyO09
- Pre-existing hypertension complicating pregnancy, childbirth and the puerperiumO10
- Pre-existing hypertension with pre-eclampsiaO11
- Gestational [pregnancy-induced] edema and proteinuria without hypertensionO12
- Gestational [pregnancy-induced] hypertension without significant proteinuriaO13
- Pre-eclampsiaO14
- EclampsiaO15
- Unspecified maternal hypertensionO16
- Hemorrhage in early pregnancyO20
- Excessive vomiting in pregnancyO21
- Venous complications and hemorrhoids in pregnancyO22
- Infections of genitourinary tract in pregnancyO23
- Diabetes mellitus in pregnancy, childbirth, and the puerperiumO24
- Malnutrition in pregnancy, childbirth and the puerperiumO25
- Maternal care for other conditions predominantly related to pregnancyO26
- Abnormal findings on antenatal screening of motherO28
- Complications of anesthesia during pregnancyO29
- Multiple gestationO30
- Complications specific to multiple gestationO31
- Maternal care for malpresentation of fetusO32
- Maternal care for disproportionO33
- Maternal care for abnormality of pelvic organsO34
- Maternal care for known or suspected fetal abnormality and damageO35
- Maternal care for other fetal problemsO36
- PolyhydramniosO40
- Other disorders of amniotic fluid and membranesO41
- Premature rupture of membranesO42
- Placental disordersO43
- Placenta previaO44
- Premature separation of placenta [abruptio placentae]O45
- Antepartum hemorrhage, not elsewhere classifiedO46
- False laborO47
- Late pregnancyO48
- Preterm laborO60
31 more in this chapter.