2026 ICD-10-CM Diagnosis Code O46Antepartum hemorrhage, not elsewhere classified
O46 is a non-billable ICD-10-CM category code for antepartum hemorrhage, not elsewhere classified, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O46.001, O46.002, O46.003, and O46.009.
Code Identity
Code Classification
Specific Coding for Antepartum hemorrhage, not elsewhere classifiedOverview
Non-specific codes like O46 require more characters. Use one of these billable codes instead:
O46.0 for Antepartum hemorrhage with coagulation defect
O46.00 for Antepartum hemorrhage with coagulation defect, unspecified
O46.01 for Antepartum hemorrhage with afibrinogenemia
O46.02 for Antepartum hemorrhage with disseminated intravascular coagulation
O46.09 for Antepartum hemorrhage with other coagulation defect
O46.8 for Other antepartum hemorrhage
O46.8X for Other antepartum hemorrhage
O46.9 for Antepartum hemorrhage, unspecified
Use O46.90 for Antepartum hemorrhage, unspecified, unspecified trimester
Use O46.91 for Antepartum hemorrhage, unspecified, first trimester
Use O46.92 for Antepartum hemorrhage, unspecified, second trimester
Use O46.93 for Antepartum hemorrhage, unspecified, third trimester
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 1 Excludes
- hemorrhage in early pregnancy O20
- intrapartum hemorrhage NEC O67
- placenta previa O44
- premature separation of placenta abruptio placentae O45
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.
Patient EducationClinical
Health Problems in Pregnancy
A health problem in pregnancy is any disease or condition that could affect your health or the health of your fetus. Some health problems may make it more likely that you will have a high-risk pregnancy. A high-risk pregnancy is one in which you, your fetus, or both are at higher risk for health problems than in a typical pregnancy.
The full article covers:
- What are health problems in pregnancy?
- What raises my risk for health problems during pregnancy?
- Can chronic health conditions cause problems in pregnancy?
- Can health problems in pregnancy be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code HistoryHistory
Questions About O46Overview
Is O46 (Antepartum hemorrhage, not elsewhere classified) a billable code?
No. This is a category header that groups the codes for antepartum hemorrhage, not elsewhere classified, and headers cannot be submitted on claims. Claims for antepartum hemorrhage, not elsewhere classified need a more specific code from this category, such as O46.001, O46.002, and O46.003.
