ICD-10-CM O24: Diabetes mellitus in pregnancy, childbirth, and the puerperium

ICD-10-CM Diagnosis Code (2025)

Official Description for O24

Diabetes mellitus in pregnancy, childbirth, and the puerperium

Coding Notes & Guidelines for O24

Use Additional Code

code from category E10 to further identify any manifestations

Use Additional Code
  • code (for):
  • from category E11 to further identify any manifestations
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)
Use Additional Code
  • code (for):
  • from category E11 to further identify any manifestation
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)
Use Additional Code
  • code (for):
  • from categories E08, E09 and E13 to further identify any manifestation
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)
Use Additional Code
  • code (for):
  • from categories E08, E09 and E13 to further identify any manifestation
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)
Inclusion Terms
  • Juvenile onset diabetes mellitus, in pregnancy, childbirth and the puerperium
  • Ketosis-prone diabetes mellitus in pregnancy, childbirth and the puerperium
Inclusion Terms

Insulin-resistant diabetes mellitus in pregnancy, childbirth and the puerperium

Inclusion Terms
  • Diabetes mellitus arising in pregnancy
  • Gestational diabetes mellitus NOS
Inclusion Terms

Gestational diabetes mellitus in pregnancy, controlled by oral antidiabetic drugs

Inclusion Terms

Gestational diabetes mellitus in childbirth, controlled by oral antidiabetic drugs

Inclusion Terms

Gestational diabetes mellitus in puerperium, controlled by oral antidiabetic drugs

Child Codes (More Specific Codes for O24):

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 - Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester O24.012 - Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester O24.013 - Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester O24.019 - Pre-existing type 1 diabetes mellitus, in pregnancy, 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 - Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester O24.112 - Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester O24.113 - Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester O24.119 - Pre-existing type 2 diabetes mellitus, in pregnancy, 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 O24.31 - Unspecified pre-existing diabetes mellitus in pregnancy O24.311 - Unspecified pre-existing diabetes mellitus in pregnancy, first trimester O24.312 - Unspecified pre-existing diabetes mellitus in pregnancy, second trimester O24.313 - Unspecified pre-existing diabetes mellitus in pregnancy, third trimester O24.319 - Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester 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 O24.410 - Gestational diabetes mellitus in pregnancy, diet controlled O24.414 - Gestational diabetes mellitus in pregnancy, insulin controlled O24.415 - Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs O24.419 - Gestational diabetes mellitus in pregnancy, unspecified control O24.42 - Gestational diabetes mellitus in childbirth O24.420 - Gestational diabetes mellitus in childbirth, diet controlled O24.424 - Gestational diabetes mellitus in childbirth, insulin controlled O24.425 - Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs O24.429 - Gestational diabetes mellitus in childbirth, unspecified control O24.43 - Gestational diabetes mellitus in the puerperium O24.430 - Gestational diabetes mellitus in the puerperium, diet controlled O24.434 - Gestational diabetes mellitus in the puerperium, insulin controlled O24.435 - Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs O24.439 - Gestational diabetes mellitus in the puerperium, unspecified control O24.8 - Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium O24.81 - Other pre-existing diabetes mellitus in pregnancy O24.811 - Other pre-existing diabetes mellitus in pregnancy, first trimester O24.812 - Other pre-existing diabetes mellitus in pregnancy, second trimester O24.813 - Other pre-existing diabetes mellitus in pregnancy, third trimester O24.819 - Other pre-existing diabetes mellitus in pregnancy, unspecified trimester O24.82 - Other pre-existing diabetes mellitus in childbirth O24.83 - Other pre-existing diabetes mellitus in the puerperium O24.9 - Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium O24.91 - Unspecified diabetes mellitus in pregnancy O24.911 - Unspecified diabetes mellitus in pregnancy, first trimester O24.912 - Unspecified diabetes mellitus in pregnancy, second trimester O24.913 - Unspecified diabetes mellitus in pregnancy, third trimester O24.919 - Unspecified diabetes mellitus in pregnancy, unspecified trimester O24.92 - Unspecified diabetes mellitus in childbirth O24.93 - Unspecified diabetes mellitus in the puerperium

About ICD-10-CM Code O24 (Diabetes mellitus in pregnancy)

ICD-10-CM code O24 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O24 became effective on October 1, 2024.

This page provides detailed information about O24 - Diabetes mellitus in pregnancy, childbirth, and the puerperium. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Diabetes mellitus in pregnancy related to childbirth, and the puerperium.