ICD-10-CM Codes
O00-O9A Pregnancy, childbirth and the puerperium
O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
O46- Antepartum hemorrhage, not elsewhere classified
2021 ICD-10-CM Diagnosis Code O46.0

2021 ICD-10-CM Diagnosis Code O46.0

Antepartum hemorrhage with coagulation defect

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

O46.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM O46.0 became effective on October 1, 2020.
This is the American ICD-10-CM version of O46.0 - other international versions of ICD-10 O46.0 may differ.

The following code(s) above O46.0 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to O46.0:

O00-O9A
2021 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperium
Note
- 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
Type 1 Excludes
- supervision of normal pregnancy (Z34.-)
Type 2 Excludes
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Use Additional
- code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Pregnancy, childbirth and the puerperium
O46
ICD-10-CM Diagnosis Code O46
Antepartum hemorrhage, not elsewhere classified
Type 1 Excludes
- hemorrhage in early pregnancy (O20.-)
- intrapartum hemorrhage NEC (O67.-)
- placenta previa (O44.-)
- premature separation of placenta [abruptio placentae] (O45.-)
Antepartum hemorrhage, not elsewhere classified

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to O46.0:

Type 1 Excludes: O99.1
, D65
, D68

ICD-10-CM Diagnosis Code O99.1
Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium
Applicable To
- Conditions in D65-D89
Type 1 Excludes
- hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
ICD-10-CM Diagnosis Code D65
Disseminated intravascular coagulation [defibrination syndrome]
Applicable To
- Afibrinogenemia, acquired
- Consumption coagulopathy
- Diffuse or disseminated intravascular coagulation [DIC]
- Fibrinolytic hemorrhage, acquired
- Fibrinolytic purpura
- Purpura fulminans
Type 1 Excludes
- disseminated intravascular coagulation (complicating):
- abortion or ectopic or molar pregnancy (O00-O07, O08.1)
- in newborn (P60)
- pregnancy, childbirth and the puerperium (O45.0, O46.0, O67.0, O72.3)
ICD-10-CM Diagnosis Code D68
Other coagulation defects
Type 1 Excludes
- abnormal coagulation profile (R79.1)
- coagulation defects complicating abortion or ectopic or molar pregnancy (O00-O07, O08.1)
- coagulation defects complicating pregnancy, childbirth and the puerperium (O45.0, O46.0, O67.0, O72.3)

ICD-10-CM Codes Adjacent To O46.0

O45.8X1 …… first trimester

O45.8X2 …… second trimester

O45.8X3 …… third trimester

O45.8X9 …… unspecified trimester

O45.9 Premature separation of placenta, unspecified

O45.90 …… unspecified trimester

O45.91 …… first trimester

O45.92 …… second trimester

O45.93 …… third trimester

O46 Antepartum hemorrhage, not elsewhere classified

O46.0 Antepartum hemorrhage with coagulation defect

O46.00 Antepartum hemorrhage with coagulation defect, unspecified

O46.001 …… first trimester

O46.002 …… second trimester

O46.003 …… third trimester

O46.009 …… unspecified trimester

O46.01 Antepartum hemorrhage with afibrinogenemia

O46.011 …… first trimester

O46.012 …… second trimester

O46.013 …… third trimester

O46.019 …… unspecified trimester

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code O46.0

Antepartum hemorrhage with coagulation defect

Pregnancy, childbirth and the puerperium

Antepartum hemorrhage, not elsewhere classified

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

Disseminated intravascular coagulation [defibrination syndrome]

Other coagulation defects