Premature separation of placenta [abruptio placentae]
In Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48), chapter 15: Pregnancy, Childbirth and the Puerperium
24 billable codes under O45: 18 are an MCC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Coding of obstetric cases with O00-O9A codes: sequencing priority, trimester and fetus characters, principal diagnosis selection, delivery outcome, and pregnancy-related complications.
- General Rules for Obstetric Cases (page 63)
- Selection of OB Principal or First-listed Diagnosis (page 64)
- Pre-existing conditions versus conditions due to the pregnancy (page 65)
- Pre-existing hypertension in pregnancy (page 66)
- Fetal Conditions Affecting the Management of the Mother (page 66)
- HIV Infection in Pregnancy, Childbirth and the Puerperium (page 66)
- Diabetes mellitus in pregnancy (page 66)
- Long term use of insulin and oral hypoglycemics (page 67)
All codes under O45
O45 can't be used on a claim. Pick a billable code below; grey headings group them.
- O45.0Premature separation of placenta with coagulation defect
- O45.00Premature separation of placenta with coagulation defect, unspecified
- O45.001Premature separation of placenta with coagulation defect, unspecified, first trimester
- O45.002Premature separation of placenta with coagulation defect, unspecified, second trimester
- O45.003Premature separation of placenta with coagulation defect, unspecified, third trimester
- O45.009Premature separation of placenta with coagulation defect, unspecified, unspecified trimester
- O45.01Premature separation of placenta with afibrinogenemia
- O45.011Premature separation of placenta with afibrinogenemia, first trimester
- O45.012Premature separation of placenta with afibrinogenemia, second trimester
- O45.013Premature separation of placenta with afibrinogenemia, third trimester
- O45.019Premature separation of placenta with afibrinogenemia, unspecified trimester
- O45.02Premature separation of placenta with disseminated intravascular coagulation
- O45.021Premature separation of placenta with disseminated intravascular coagulation, first trimester
- O45.022Premature separation of placenta with disseminated intravascular coagulation, second trimester
- O45.023Premature separation of placenta with disseminated intravascular coagulation, third trimester
- O45.029Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester
- O45.09Premature separation of placenta with other coagulation defect
- O45.091Premature separation of placenta with other coagulation defect, first trimester
- O45.092Premature separation of placenta with other coagulation defect, second trimester
- O45.093Premature separation of placenta with other coagulation defect, third trimester
- O45.099Premature separation of placenta with other coagulation defect, unspecified trimester
- O45.8Other premature separation of placenta
- O45.8XOther premature separation of placenta
- O45.8X1Other premature separation of placenta, first trimester
- O45.8X2Other premature separation of placenta, second trimester
- O45.8X3Other premature separation of placenta, third trimester
- O45.8X9Other premature separation of placenta, unspecified trimester
- O45.9Premature separation of placenta, unspecified
- O45.90Premature separation of placenta, unspecified, unspecified trimester
- O45.91Premature separation of placenta, unspecified, first trimester
- O45.92Premature separation of placenta, unspecified, second trimester
- O45.93Premature separation of placenta, unspecified, third trimester
O45 MS-DRGs
As the principal diagnosis, all 24 billable codes under O45 group to MS-DRG 817, 818, 819, 831, 832, or 833 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 817 Other Antepartum Diagnoses with O.R. Procedures with MCC
- DRG 818 Other Antepartum Diagnoses with O.R. Procedures with CC
- DRG 819 Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
- DRG 831 Other Antepartum Diagnoses without O.R. Procedures with MCC
- DRG 832 Other Antepartum Diagnoses without O.R. Procedures with CC
- DRG 833 Other Antepartum Diagnoses without O.R. Procedures without CC/MCC
Other codes that refer to O45
Notes on these codes point to O45.
- O43 Excludes2: premature separation of placenta [abruptio placentae] (O45.-)
- O46 Excludes1: premature separation of placenta [abruptio placentae] (O45.-)
- O67 Excludes1: premature separation of placenta [abruptio placentae] (O45.-)
- O99.1 Excludes1: hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Childbirth Problems
Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include:
Read more about childbirth problems on MedlinePlusHealth 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.
Read more about health problems in pregnancy on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.