P23

Non-billable

Congenital pneumonia

P23 is the ICD-10-CM code for Congenital pneumonia. It is a non-billable category code — use a more specific child code such as P23.0 for billing.

Status
Header (non-billable)
Chapter
P00-P96
Subcodes
9
Edition
FY2026

P00-P96 Certain conditions originating in the perinatal period

What this means — in plain language

MedlinePlus · NIH

What is pneumonia? Pneumonia is an infection in one or both of your lungs. It causes the air sacs of your lungs to fill up with fluid or pus. Pneumonia can range from mild to severe, depending on what caused it, your age, and your overall health. What causes pneumonia? Bacterial , viral , and fungal infections can cause pneumonia. Bacteria are the most common cause. Bacterial pneumonia can occur on its own. It can…

Read more about Pneumonia at MedlinePlus ↗

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

Includes

  • infective pneumonia acquired in utero or during birth

Excludes1 — not coded here

  • neonatal pneumonia resulting from aspiration (P24.-)

Frequently asked questions

What is ICD-10 code P23?
P23 is the ICD-10-CM code for "Congenital pneumonia". It falls under P00-P96 Certain conditions originating in the perinatal period.
Is P23 a billable code?
No — P23 is a non-billable header code. Use a more specific child code (such as P23.0) for billing.
What are the subcodes of P23?
P23 has 9 more specific child codes, including P23.0, P23.1, P23.2.
What is excluded from P23?
Excludes1 (not coded here): neonatal pneumonia resulting from aspiration (P24.-).

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

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