O24.31
Non-billableUnspecified pre-existing diabetes mellitus in pregnancy
Unspecified pre-existing diabetes mellitus in pregnancy
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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 (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for unspecified pre-existing diabetes mellitus in pregnancy?
The ICD-10-CM code for unspecified pre-existing diabetes mellitus in pregnancy is O24.31. The full clinical description is "Unspecified pre-existing diabetes mellitus in pregnancy". O24.31 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O24.31 mean?
ICD-10-CM code O24.31 represents "Unspecified pre-existing diabetes mellitus in pregnancy". 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 O24.31 a billable code?
No, O24.31 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under O24.31.
What chapter is O24.31 in?
O24.31 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O24.31?
O24.31 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O24.31?
O24.31 has 4 child codes, including: O24.311 (Unsp pre-existing diabetes in pregnancy, first trimester), O24.312 (Unsp pre-existing diabetes in pregnancy, second trimester), O24.313 (Unsp pre-existing diabetes in pregnancy, third trimester), O24.319 (Unsp pre-existing diabetes in pregnancy, unsp trimester).
Are additional codes required with O24.31?
Yes, when using O24.31 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 manifestation; injectable non-insulin antidiabetic drugs (Z79.85); long-term (current) use of insulin (Z79.4).
What are the UMLS CUIs for O24.31?
O24.31 is linked to 1 UMLS Concept Unique Identifier: C0851217. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.