2021

  1. ICD-10-CM Codes
    2. ›
  2. O00-O9A Pregnancy, childbirth and the puerperium
    3. ›
  3. O20-O29 Other maternal disorders predominantly related to pregnancy
    4. ›
  4. O24- Diabetes mellitus in pregnancy, childbirth, and the puerperium
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code O24

2021 ICD-10-CM Diagnosis Code O24

Diabetes mellitus in pregnancy, childbirth, and the puerperium

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • O24 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Diabetes in pregnancy, childbirth, and the puerperium
  • The 2021 edition of ICD-10-CM O24 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of O24 - other international versions of ICD-10 O24 may differ.
The following code(s) above O24 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 O24:
  • 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
  • O20-O29
    2021 ICD-10-CM Range O20-O29

    Other maternal disorders predominantly related to pregnancy

    Type 2 Excludes
    • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
    • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
    Other maternal disorders predominantly related to pregnancy
Clinical Information
  • The state of pregnancy in women with diabetes mellitus. This does not include either symptomatic diabetes or glucose intolerance induced by pregnancy (diabetes, gestational) which resolves at the end of 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 O24:
  • Type 1 Excludes: R73
    ICD-10-CM Diagnosis Code R73

    Elevated blood glucose level

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diabetes mellitus (E08-E13)
    • diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)
    • neonatal disorders (P70.0-P70.2)
    • postsurgical hypoinsulinemia (E89.1)
  • Type 2 Excludes: O99.2
    ICD-10-CM Diagnosis Code O99.2

    Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    Type 2 Excludes
    • diabetes mellitus (O24.-)
    • malnutrition (O25.-)
    • postpartum thyroiditis (O90.5)
ICD-10-CM Codes Adjacent To O24
O23.59 Infection of other part of genital tract in pregnancy
O23.591 …… first trimester
O23.592 …… second trimester
O23.593 …… third trimester
O23.599 …… unspecified trimester
O23.9 Unspecified genitourinary tract infection in pregnancy
O23.90 …… unspecified trimester
O23.91 …… first trimester
O23.92 …… second trimester
O23.93 …… third trimester
O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
O24.0 Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium
O24.01 Pre-existing type 1 diabetes mellitus, in pregnancy
O24.011 …… first trimester
O24.012 …… second trimester
O24.013 …… third trimester
O24.019 …… unspecified trimester
O24.02 Pre-existing type 1 diabetes mellitus, in childbirth
O24.03 Pre-existing type 1 diabetes mellitus, in the puerperium
O24.1 Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium
O24.11 Pre-existing type 2 diabetes mellitus, in pregnancy

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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