P23 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Congenital pneumonia.
Includes
Infective pneumonia acquired in utero or during birth
Type 1 excludes
Neonatal pneumonia resulting from aspiration (P24.-)
Codes
P23.0
Congenital pneumonia due to viral agent
P23.1
Congenital pneumonia due to Chlamydia
P23.2
Congenital pneumonia due to staphylococcus
P23.3
Congenital pneumonia due to streptococcus, group B
P23.4
Congenital pneumonia due to Escherichia coli
P23.5
Congenital pneumonia due to Pseudomonas
P23.6
Congenital pneumonia due to other bacterial agents
P23.8
Congenital pneumonia due to other organisms
P23.9
Congenital pneumonia, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code