2023

  1. ICD-10-CM Codes
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  2. O00-O9A
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  3. O10-O16
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  4. O15-
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  5. 2023 ICD-10-CM Diagnosis Code O15

2023 ICD-10-CM Diagnosis Code O15

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Eclampsia

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • O15 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 O15 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of O15 - other international versions of ICD-10 O15 may differ.
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • convulsions following conditions in
    ICD-10-CM Diagnosis Code O10

    Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
    Type 2 Excludes
    • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
    O10
    -
    ICD-10-CM Diagnosis Code O14

    Pre-eclampsia

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • pre-existing hypertension with pre-eclampsia (O11)
    O14
    and
    ICD-10-CM Diagnosis Code O16

    Unspecified maternal hypertension

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    O16
The following code(s) above O15 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 O15:
  • O00-O9A
    2023 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
  • A potentially life-threatening disorder in pregnant or puerperal women manifested by convulsions in association with hypertension, edema, and/or proteinuria.
  • Convulsions and coma occurring in pregnant or puerperal women, associated with hypertension, edema, and proteinuria.
  • Onset of hyperreflexia; seizures; or coma in a previously diagnosed pre-eclamptic patient (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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To O15
O14.22 …… (HELLP), second trimester
O14.23 …… (HELLP), third trimester
O14.24 …… complicating childbirth
O14.25 …… complicating the puerperium
O14.9 Unspecified pre-eclampsia
O14.90 …… unspecified trimester
O14.92 …… second trimester
O14.93 …… third trimester
O14.94 …… complicating childbirth
O14.95 …… complicating the puerperium
O15 Eclampsia
O15.0 Eclampsia complicating pregnancy
O15.00 …… unspecified trimester
O15.02 …… second trimester
O15.03 …… third trimester
O15.1 Eclampsia complicating labor
O15.2 Eclampsia complicating the puerperium
O15.9 Eclampsia, unspecified as to time period
O16 Unspecified maternal hypertension
O16.1 Unspecified maternal hypertension, first trimester
O16.2 Unspecified maternal hypertension, second trimester

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

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