O46.0 – Antepartum hemorrhage with coagulation defect

ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems

Non-billable header

ICD-10-CM code O46.0

Code: O46.0 (claims format: O460)
Description: Antepartum hemorrhage with coagulation defect
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
Parent codes: O46

Billable codes under O46.0

O46.0 is a header code and cannot be used on claims. Choose the most specific code:

O46.00 – Antepartum hemorrhage with coagulation defect, unspecifiedHeader (more codes below)
O46.01 – Antepartum hemorrhage with afibrinogenemiaHeader (more codes below)
O46.02 – Antepartum hemorrhage with disseminated intravascular coagulationHeader (more codes below)
O46.09 – Antepartum hemorrhage with other coagulation defectHeader (more codes below)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O46 – Antepartum hemorrhage, not elsewhere classified

Excludes1 (not coded here):

hemorrhage in early pregnancy (O20.-)
intrapartum hemorrhage NEC (O67.-)
placenta previa (O44.-)
premature separation of placenta [abruptio placentae] (O45.-)

Related codes in O46

Frequently asked questions

What is ICD-10 code O46.0?

O46.0 is the ICD-10-CM code for antepartum hemorrhage with coagulation defect, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).

Is O46.0 a billable code?

No. O46.0 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O46.0 belong to?

It belongs to category O46 – Antepartum hemorrhage, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.