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O24.42

Non-billable

Gestational diabetes mellitus in childbirth

O24.42 is the ICD-10-CM code for Gestational diabetes mellitus in childbirth. It is a non-billable category code — use a more specific child code such as O24.420 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O24.4
Subcodes
4
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O24.42?
O24.42 is the ICD-10-CM code for "Gestational diabetes mellitus in childbirth". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O24.42 a billable code?
No — O24.42 is a non-billable header code. Use a more specific child code (such as O24.420) for billing.
What are the subcodes of O24.42?
O24.42 has 4 more specific child codes, including O24.420, O24.424, O24.425.

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

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