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O24.4

Non-billable

Gestational diabetes mellitus

O24.4 is the ICD-10-CM code for Gestational diabetes mellitus. It is a non-billable category code — use a more specific child code such as O24.41 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O24
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Includes

  • •Diabetes mellitus arising in pregnancy
  • •Gestational diabetes mellitus NOS

Frequently asked questions

What is ICD-10 code O24.4?
O24.4 is the ICD-10-CM code for "Gestational diabetes mellitus". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O24.4 a billable code?
No — O24.4 is a non-billable header code. Use a more specific child code (such as O24.41) for billing.
What are the subcodes of O24.4?
O24.4 has 3 more specific child codes, including O24.41, O24.42, O24.43.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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