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ICD-10-CM Current in FY 2027

O24.311

Unspecified pre-existing diabetes mellitus in pregnancy, first trimester

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where O24.311 sits in the official hierarchy. Each level is the code it is classified under.

  1. O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
  2. O24.3 Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
  3. O24.31 Parent Unspecified pre-existing diabetes mellitus in pregnancy
  4. O24.311 This code Unspecified pre-existing diabetes mellitus in pregnancy, first trimester

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Use Additional Code

code (for):

Inherited from O24.3 — Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

Use Additional Code

from category E11 to further identify any manifestation

Inherited from O24.3 — Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

Use Additional Code

injectable non-insulin antidiabetic drugs ( Z79.85 )

Inherited from O24.3 — Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

Use Additional Code

long-term (current) use of insulin ( Z79.4 )

Inherited from O24.3 — Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

Version History

How O24.311 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Unspecified pre-existing diabetes mellitus in pregnancy, first trimester

  2. FY 2026 Effective

    Unchanged

    Unspecified pre-existing diabetes mellitus in pregnancy, first trimester

Related Codes

Other codes under O24.31

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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