O30.21

Non-billable

Quadruplet pregnancy with two or more monochorionic fetuses

O30.21 is the ICD-10-CM code for Quadruplet pregnancy with two or more monochorionic fetuses. It is a non-billable category code — use a more specific child code such as O30.211 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O30.2
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 O30.21?
O30.21 is the ICD-10-CM code for "Quadruplet pregnancy with two or more monochorionic fetuses". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O30.21 a billable code?
No — O30.21 is a non-billable header code. Use a more specific child code (such as O30.211) for billing.
What are the subcodes of O30.21?
O30.21 has 4 more specific child codes, including O30.211, O30.212, O30.213.

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

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