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O41.123

Non-billable

Chorioamnionitis, third trimester

O41.123 is the ICD-10-CM code for Chorioamnionitis, third trimester. It is a non-billable category code — use a more specific child code such as O41.1230 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O41.12
Subcodes
7
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O41.123?
O41.123 is the ICD-10-CM code for "Chorioamnionitis, third trimester". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O41.123 a billable code?
No — O41.123 is a non-billable header code. Use a more specific child code (such as O41.1230) for billing.
What are the subcodes of O41.123?
O41.123 has 7 more specific child codes, including O41.1230, O41.1231, O41.1232.

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

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