O24.1
Non-billablePre-exist type 2 diabetes, in preg, chldbrth and the puerp
Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Insulin-resistant diabetes mellitus in pregnancy, childbirth and the puerperium
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •mental and behavioral disorders associated with the puerperiumF53
- •obstetrical tetanusA34
- •postpartum necrosis of pituitary glandE23.0
- •puerperal osteomalaciaM83.0
- •maternal care related to the fetus and amniotic cavity and possible delivery problemsO30-O48
- •maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperiumO98-O99
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- code (for):
- •from category to further identify any manifestationsE11
- •injectable non-insulin antidiabetic drugsZ79.85
- •long-term (current) use of insulinZ79.4
Child Codes (3)
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for pre-exist type 2 diabetes, in preg, chldbrth and the puerp?
The ICD-10-CM code for pre-exist type 2 diabetes, in preg, chldbrth and the puerp is O24.1. The full clinical description is "Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium". O24.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O24.1 mean?
ICD-10-CM code O24.1 represents “Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O24.1 a billable code?
No, O24.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O24.1.
What chapter is O24.1 in?
O24.1 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O24.1?
O24.1 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O24.1?
O24.1 has 3 child codes, including: O24.11 (Pre-existing type 2 diabetes mellitus, in pregnancy), O24.12 (Pre-existing type 2 diabetes mellitus, in childbirth), O24.13 (Pre-existing type 2 diabetes mellitus, in the puerperium).
Are additional codes required with O24.1?
Yes, when using O24.1, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.; 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).
What are the UMLS CUIs for O24.1?
O24.1 is linked to 2 UMLS Concept Unique Identifiers: C2903664, C2903665. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O24.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like pre-exist type 2 diabetes, in preg, chldbrth and the puerp affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O24.1?
O24.1 maps to the ICD-11 code: JA63.1 (Pre-existing type 2 diabetes mellitus in pregnancy).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.