2023 ICD-10-CM Diagnosis Code O09.A

Supervision of pregnancy with history of molar pregnancy

    2017 - New Code 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • O09.A should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM O09.A became effective on October 1, 2022.
  • This is the American ICD-10-CM version of O09.A - other international versions of ICD-10 O09.A may differ.
The following code(s) above O09.A 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 O09.A:
  • O00-O9A
    2023 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
Code History
  • 2017 (effective 10/1/2016): New code
  • 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to O09.A:
  • Pregnancy (single) (uterine) Z33.1
    - see also Delivery and Puerperal
    ICD-10-CM Diagnosis Code Z33.1

    Pregnant state, incidental

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    Applicable To
    • Pregnancy NOS
    • Pregnant state NOS
    Type 1 Excludes
    • complications of pregnancy (O00-O9A)
    • pregnant state, gestational carrier (Z33.3)
    • supervision of
      • high-risk O09.9-
        ICD-10-CM Diagnosis Code O09.9-

        Supervision of high risk pregnancy, unspecified

          2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
        • due to (history of)
          • molar pregnancy O09.A-

ICD-10-CM Codes Adjacent To O09.A
O09.0 Supervision of pregnancy with history of infertility
O09.00 …… unspecified trimester
O09.01 …… first trimester
O09.02 …… second trimester
O09.03 …… third trimester
O09.1 Supervision of pregnancy with history of ectopic pregnancy
O09.10 …… unspecified trimester
O09.11 …… first trimester
O09.12 …… second trimester
O09.13 …… third trimester
O09.A Supervision of pregnancy with history of molar pregnancy
O09.A0 …… unspecified trimester
O09.A1 …… first trimester
O09.A2 …… second trimester
O09.A3 …… third trimester
O09.2 Supervision of pregnancy with other poor reproductive or obstetric history
O09.21 Supervision of pregnancy with history of pre-term labor
O09.211 …… first trimester
O09.212 …… second trimester
O09.213 …… third trimester
O09.219 …… unspecified trimester

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