2021 ICD-10-CM Diagnosis Code O45

Premature separation of placenta [abruptio placentae]

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • O45 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 O45 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of O45 - other international versions of ICD-10 O45 may differ.
The following code(s) above O45 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 O45:
  • 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
Clinical Information
  • Premature separation of the normally implanted placenta from the uterus. Signs of varying degree of severity include uterine bleeding, uterine muscle hypertonia, and fetal distress or fetal death.
  • The separation of the placenta from the maternal uterine attachment when it occurs after the twentieth week of the pregnancy.
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 O45:
  • Type 1 Excludes: O46
    , O67
    , O99.1
    ICD-10-CM Diagnosis Code O46

    Antepartum hemorrhage, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • hemorrhage in early pregnancy (O20.-)
    • intrapartum hemorrhage NEC (O67.-)
    • placenta previa (O44.-)
    • premature separation of placenta [abruptio placentae] (O45.-)
    ICD-10-CM Diagnosis Code O67

    Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • antepartum hemorrhage NEC (O46.-)
    • placenta previa (O44.-)
    • premature separation of placenta [abruptio placentae] (O45.-)
    Type 2 Excludes
    • postpartum hemorrhage (O72.-)
    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

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    Type 1 Excludes
  • Type 2 Excludes: O43
    ICD-10-CM Diagnosis Code O43

    Placental disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • maternal care for poor fetal growth due to placental insufficiency (O36.5-)
    • placenta previa (O44.-)
    • placental polyp (O90.89)
    • placentitis (O41.14-)
    • premature separation of placenta [abruptio placentae] (O45.-)
ICD-10-CM Codes Adjacent To O45
O44.4 Low lying placenta NOS or without hemorrhage
O44.40 …… unspecified trimester
O44.41 …… first trimester
O44.42 …… second trimester
O44.43 …… third trimester
O44.5 Low lying placenta with hemorrhage
O44.50 …… unspecified trimester
O44.51 …… first trimester
O44.52 …… second trimester
O44.53 …… third trimester
O45 Premature separation of placenta [abruptio placentae]
O45.0 Premature separation of placenta with coagulation defect
O45.00 Premature separation of placenta with coagulation defect, unspecified
O45.001 …… first trimester
O45.002 …… second trimester
O45.003 …… third trimester
O45.009 …… unspecified trimester
O45.01 Premature separation of placenta with afibrinogenemia
O45.011 …… first trimester
O45.012 …… second trimester
O45.013 …… third trimester

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