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)
- supervision of normal pregnancy (Z34.-)
Excludes 2
Conditions not included here, but the patient may have both
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
- 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)
Use Additional Code
Additional codes that should follow this code
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code O24.1?
ICD-10-CM code O24.1 represents "Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium". It 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 you should also code: 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.
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.