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ICD-10-CM Codes
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2023 ICD-10-CM Diagnosis Code O24.4
2023 ICD-10-CM Diagnosis Code O24.4
Gestational diabetes mellitus
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- O24.4 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 O24.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of O24.4 - other international versions of ICD-10 O24.4 may differ.
Applicable To- Diabetes mellitus arising in pregnancy
- Gestational diabetes mellitus NOS
The following code(s) above
O24.4 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
O24.4:
Clinical Information
- diabetes is a disease in which your blood glucose, or sugar, levels are too high. When you are pregnant, too much glucose is not good for your baby. Out of every 100 pregnant women in the United States, between three and eight get gestational diabetes. Gestational diabetes is diabetes that happens for the first time when a woman is pregnant. Gestational diabetes goes away when you have your baby, but it does increase your risk for having diabetes later. If you already have diabetes before you get pregnant, you need to monitor and control your blood sugar levels.either type of diabetes during pregnancy raises the risk of problems for the baby and the mother. To help reduce these risks, you should follow your meal plan, exercise, test your blood sugar and take your medicine.
- Diabetes mellitus induced by pregnancy but resolved at the end of pregnancy. It does not include previously diagnosed diabetics who become pregnant (pregnancy in diabetics). Gestational diabetes usually develops in late pregnancy when insulin antagonistic hormones peaks leading to insulin resistance; glucose intolerance; and hyperglycemia.
- Diabetes that develops during pregnancy. It usually resolves after delivery.
- Glucose intolerance which onsets during pregnancy; does not include diabetics who become pregnant or women who become lactosuric; after pregnancy, the woman is reclassified as diabetic or not depending on whether glucose intolerance persists.
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
Code annotations containing back-references to O24.4:
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Type 1 Excludes: R73.0, O99.81, E08, E09, Z86.32, E10, E11, E13
ICD-10-CM Diagnosis Code R73.0
Abnormal glucose
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
ICD-10-CM Diagnosis Code O99.81
Abnormal glucose complicating pregnancy, childbirth and the puerperium
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
ICD-10-CM Diagnosis Code E08
Diabetes mellitus due to underlying condition
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Code First- the underlying condition, such as:
- congenital rubella (P35.0)
- Cushing's syndrome (E24.-)
- cystic fibrosis (E84.-)
- malignant neoplasm (C00-C96)
- malnutrition (E40-E46)
- pancreatitis and other diseases of the pancreas (K85-K86.-)
Type 1 Excludes- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 1 diabetes mellitus (E10.-)
- type 2 diabetes mellitus (E11.-)
Use Additional- code to identify control using:
- insulin (Z79.4)
- oral antidiabetic drugs (Z79.84)
- oral hypoglycemic drugs (Z79.84)
ICD-10-CM Diagnosis Code E09
Drug or chemical induced diabetes mellitus
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Code First- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4 or 6)
Type 1 Excludes- diabetes mellitus due to underlying condition (E08.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 1 diabetes mellitus (E10.-)
- type 2 diabetes mellitus (E11.-)
Use Additional- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
ICD-10-CM Diagnosis Code Z86.32
Personal history of gestational diabetes
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx POA Exempt
Applicable To- Personal history of conditions classifiable to O24.4-
Type 1 Excludes- gestational diabetes mellitus in current pregnancy (O24.4-)
ICD-10-CM Diagnosis Code E10
Type 1 diabetes mellitus
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- brittle diabetes (mellitus)
- diabetes (mellitus) due to autoimmune process
- diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
- idiopathic diabetes (mellitus)
- juvenile onset diabetes (mellitus)
- ketosis-prone diabetes (mellitus)
Type 1 Excludes- diabetes mellitus due to underlying condition (E08.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- hyperglycemia NOS (R73.9)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 2 diabetes mellitus (E11.-)
ICD-10-CM Diagnosis Code E11
Type 2 diabetes mellitus
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- diabetes (mellitus) due to insulin secretory defect
- diabetes NOS
- insulin resistant diabetes (mellitus)
Type 1 Excludes- diabetes mellitus due to underlying condition (E08.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 1 diabetes mellitus (E10.-)
Use Additional- code to identify control using:
- insulin (Z79.4)
- oral antidiabetic drugs (Z79.84)
- oral hypoglycemic drugs (Z79.84)
ICD-10-CM Diagnosis Code E13
Other specified diabetes mellitus
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- diabetes mellitus due to genetic defects of beta-cell function
- diabetes mellitus due to genetic defects in insulin action
- postpancreatectomy diabetes mellitus
- postprocedural diabetes mellitus
- secondary diabetes mellitus NEC
Type 1 Excludes- diabetes (mellitus) due to autoimmune process (E10.-)
- diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
- diabetes mellitus due to underlying condition (E08.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- type 1 diabetes mellitus (E10.-)
Use Additional- code to identify control using:
- insulin (Z79.4)
- oral antidiabetic drugs (Z79.84)
- oral hypoglycemic drugs (Z79.84)
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Applicable To: Z86.32
ICD-10-CM Diagnosis Code Z86.32
Personal history of gestational diabetes
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx POA Exempt
Applicable To- Personal history of conditions classifiable to O24.4-
Type 1 Excludes- gestational diabetes mellitus in current pregnancy (O24.4-)
ICD-10-CM Codes Adjacent To O24.4
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
O24.31 Unspecified pre-existing diabetes mellitus in pregnancy
O24.32 Unspecified pre-existing diabetes mellitus in childbirth
O24.33 Unspecified pre-existing diabetes mellitus in the puerperium
O24.4
Gestational diabetes mellitus
O24.41 Gestational diabetes mellitus in pregnancy
O24.415 …… controlled by oral hypoglycemic drugs
O24.42 Gestational diabetes mellitus in childbirth
O24.425 …… controlled by oral hypoglycemic drugs
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.