2019 ICD-10-CM Diagnosis Code O45.001

Premature separation of placenta with coagulation defect, unspecified, first trimester

ICD-10-CM Coding Rules
The following code(s) above O45.001 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 O45.001:
  • O00-O9A
    2019 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    • 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
ICD-10-CM O45.001 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

Convert O45.001 to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To O45.001
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
O45.019 …… unspecified trimester
O45.02 Premature separation of placenta with disseminated intravascular coagulation
O45.021 …… first trimester

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