P77

Non-billable

Necrotizing enterocolitis of newborn

P77 is the ICD-10-CM code for Necrotizing enterocolitis of newborn. It is a non-billable category code — use a more specific child code such as P77.1 for billing.

Status
Header (non-billable)
Chapter
P00-P96
Subcodes
4
Edition
FY2026

P00-P96 Certain conditions originating in the perinatal period

What this means — in plain language

MedlinePlus · NIH

Almost 1 of every 10 infants born in the United States are premature, or preemies. A premature birth is when a baby is born before 37 completed weeks of pregnancy. A full-term pregnancy is 40 weeks. Important growth and development happen throughout pregnancy - especially in the final months and weeks. Because they are born too early, preemies weigh much less than full-term babies. They may have health problems…

Read more about Premature Babies at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code P77?
P77 is the ICD-10-CM code for "Necrotizing enterocolitis of newborn". It falls under P00-P96 Certain conditions originating in the perinatal period.
Is P77 a billable code?
No — P77 is a non-billable header code. Use a more specific child code (such as P77.1) for billing.
What are the subcodes of P77?
P77 has 4 more specific child codes, including P77.1, P77.2, P77.3.

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

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