U.S. ICD-10-CM · FY 2027

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

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

O24

Diabetes mellitus in pregnancy, childbirth, and the puerperium

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where O24 sits

  1. 1

    Chapter 15

    Pregnancy, childbirth and the puerperium (O00-O9A)

  2. 2

    Section

    Other maternal disorders predominantly related to pregnancy (O20-O29)

  3. 3

    Category O24

    Diabetes mellitus in pregnancy, childbirth, and the puerperium

  4. 4

    Code O24

    Diabetes mellitus in pregnancy, childbirth, and the puerperium

More specific choices

Codes under O24

O24 is a non-billable category. Choose the child code that best matches the documented diagnosis.

O24.0

Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium

O24.1

Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium

O24.3

Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium

O24.4

Gestational diabetes mellitus

O24.8

Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium

O24.9

Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for O24.

Code first

No “code first” instruction is listed for O24.

Use additional code

No “use additional code” instruction is listed for O24.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for O24.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for O24.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code O24 mean?

O24 is the FY 2027 U.S. ICD-10-CM code for “Diabetes mellitus in pregnancy, childbirth, and the puerperium.”

Is O24 a billable or specific ICD-10-CM code?

No. O24 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is O24 located in ICD-10-CM?

O24 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Other maternal disorders predominantly related to pregnancy (O20-O29) (O20–O29), under category O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium.

What coding notes are listed for O24?

No inclusion terms are listed for O24 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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