2021 ICD-10-CM Diagnosis Code O14.0

Mild to moderate pre-eclampsia

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • O14.0 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 O14.0 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of O14.0 - other international versions of ICD-10 O14.0 may differ.
The following code(s) above O14.0 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 O14.0:
  • 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
  • O14
    ICD-10-CM Diagnosis Code O14

    Pre-eclampsia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • pre-existing hypertension with pre-eclampsia (O11)
    Pre-eclampsia
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

Diagnosis Index entries containing back-references to O14.0:
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
    ICD-10-CM Diagnosis Code I10

    Essential (primary) hypertension

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Questionable As Admission Dx
    Includes
    • high blood pressure
    • hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
    Type 1 Excludes
    • hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
    Type 2 Excludes
    • essential (primary) hypertension involving vessels of brain (I60-I69)
    • essential (primary) hypertension involving vessels of eye (H35.0-)
    • complicating
      • pregnancy
        • gestational (pregnancy induced) (without proteinuria)
          • with proteinuria O14.9-
            ICD-10-CM Diagnosis Code O14.9-

            Unspecified pre-eclampsia

              2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
            • mild pre-eclampsia O14.0-
            • moderate pre-eclampsia O14.0-
  • Pre-eclampsia O14.9-
    ICD-10-CM Diagnosis Code O14.9-

    Unspecified pre-eclampsia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • 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 Billable/Specific Code Maternity Dx (12-55 years)
    Applicable To
    • Pregnancy NOS
    • Pregnant state NOS
    Type 1 Excludes
    • complications of pregnancy (O00-O9A)
    • pregnant state, gestational carrier (Z33.3)
    • complicated by (care of) (management affected by)
      • edema O12.0-
        ICD-10-CM Diagnosis Code O12.0-

        Gestational edema

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      • pre-eclampsia O14.9-
        ICD-10-CM Diagnosis Code O14.9-

        Unspecified pre-eclampsia

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
        • mild O14.0-
        • moderate O14.0-

ICD-10-CM Codes Adjacent To O14.0
O12.24 …… complicating childbirth
O12.25 …… complicating the puerperium
O13 Gestational [pregnancy-induced] hypertension without significant proteinuria
O13.1 Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
O13.2 Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
O13.3 Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
O13.4 Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
O13.5 Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
O13.9 Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester
O14 Pre-eclampsia
O14.0 Mild to moderate pre-eclampsia
O14.00 …… unspecified trimester
O14.02 …… second trimester
O14.03 …… third trimester
O14.04 …… complicating childbirth
O14.05 …… complicating the puerperium
O14.1 Severe pre-eclampsia
O14.10 …… unspecified trimester
O14.12 …… second trimester
O14.13 …… third trimester
O14.14 …… complicating childbirth

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