ICD-10-CM · Chapter 16 · P00-P96
P23 Congenital pneumonia
Includes
- infective pneumonia acquired in utero or during birth
Excludes 1 (cannot be coded together)
- neonatal pneumonia resulting from aspiration (P24.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| P23..0 | Congenital pneumonia due to viral agent | Yes |
| P23..1 | Congenital pneumonia due to Chlamydia | Yes |
| P23..2 | Congenital pneumonia due to staphylococcus | Yes |
| P23..3 | Congenital pneumonia due to streptococcus, group B | Yes |
| P23..4 | Congenital pneumonia due to Escherichia coli | Yes |
| P23..5 | Congenital pneumonia due to Pseudomonas | Yes |
| P23..6 | Congenital pneumonia due to other bacterial agents | Yes |
| P23..8 | Congenital pneumonia due to other organisms | Yes |
| P23..9 | Congenital pneumonia, unspecified | Yes |
Last reviewed: September 2026