Other abnormal products of conception (O02) ICD-10-CM
The O02 code range covers other abnormal products of conception with 7 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code from category O08
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- papyraceous fetus O31.0
Codes in the O02 Range 7 codes · 5 billable
- O02 Other abnormal products of conceptionNon-billable
- O02.0 Blighted ovum and nonhydatidiform mole
- O02.1 Missed abortion
- O02.8 Other specified abnormal products of conceptionNon-billable
- O02.81 Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy
- O02.89 Other abnormal products of conception
- O02.9 Abnormal product of conception, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the O02 range.
Abortion, Missed
The retention in the UTERUS of a dead FETUS two months or more after its DEATH.
Hydatidiform Mole
Trophoblastic hyperplasia associated with normal gestation, or molar pregnancy. It is characterized by the swelling of the CHORIONIC VILLI and elevated human CHORIONIC GONADOTROPIN. Hydatidiform moles or molar pregnancy may be categorized as complete or partial based on their gross morphology, histopathology, and karyotype.
About the O02 Code Range
These codes describe abnormal products of conception in pregnancies with an abortive outcome.
O02.0 groups blighted ovum and nonhydatidiform mole. O02.1 names missed abortion, also called missed miscarriage.
O02.8 contains other specified abnormalities. It separates an inappropriate change in measured hCG in early pregnancy, O02.81, from other abnormal products of conception, O02.89. O02.9 describes an unspecified abnormal product of conception.
Questions About This Page
How many billable codes are in the O02 range?
Of the 7 codes in this range, 5 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the O02 range classify?
The range classifies other abnormal products of conception. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
