2020 ICD-10-CM Diagnosis Code O24.02

Pre-existing type 1 diabetes mellitus, in childbirth

    2016 2017 - Revised Code 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
  • O24.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM O24.02 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O24.02 - other international versions of ICD-10 O24.02 may differ.
ICD-10-CM Coding Rules
  • O24.02 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above O24.02 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 O24.02:
  • O00-O9A
    2020 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
    2020 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
  • O24.0
    ICD-10-CM Diagnosis Code O24.0

    Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium

      2016 2017 - Revised Code 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Juvenile onset diabetes mellitus, in pregnancy, childbirth and the puerperium
    • Ketosis-prone diabetes mellitus in pregnancy, childbirth and the puerperium
    Use Additional
    • code from category E10 to further identify any manifestations
    Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium
ICD-10-CM O24.02 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 998 Principal diagnosis invalid as discharge diagnosis

Convert O24.02 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): Revised code
    • New description: Pre-existing type 1 diabetes mellitus, in childbirth
    • 2016 description: Pre-existing diabetes mellitus, type 1, in childbirth
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to O24.02:
  • Delivery (childbirth) (labor)
    • complicated O75.9
      ICD-10-CM Diagnosis Code O75.9

      Complication of labor and delivery, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
      • by
        • diabetes O24.92
          ICD-10-CM Diagnosis Code O24.92

          Unspecified diabetes mellitus in childbirth

            2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
          • pre-existing O24.32
            ICD-10-CM Diagnosis Code O24.32

            Unspecified pre-existing diabetes mellitus in childbirth

              2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
            • type 1 O24.02

ICD-10-CM Codes Adjacent To O24.02
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
O24.111 …… first trimester
O24.112 …… second trimester
O24.113 …… third trimester
O24.119 …… unspecified trimester
O24.12 Pre-existing type 2 diabetes mellitus, in childbirth
O24.13 Pre-existing type 2 diabetes mellitus, in the puerperium
O24.3 Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

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