P23.1 is the authoritative medical code for Congenital pneumonia due to Chlamydia. This classification is used in medical billing and clinical recording to specify the clinical criteria for congenital pneumonia due to chlamydia (ICD-10-CM P23.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Congenital pneumonia due to Chlamydia is a billable ICD-10-CM diagnosis code P23.1. Includes: infective pneumonia acquired in utero or during birth. Excludes1 (not coded here): neonatal pneumonia resulting from aspiration P24.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for P23.1 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- infective pneumonia acquired in utero or during birth
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- neonatal pneumonia resulting from aspiration P24.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with P23.1?
Per official ICD-10-CM Excludes1 instructions, P23.1 must not be reported together with: neonatal pneumonia resulting from aspiration (P24.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to P23.1 in its code family, with their registry titles.
- P23 — Congenital pneumonia
- P23.0 — Congenital pneumonia due to viral agent
- 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
Indexed Clinical Terms (3)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), chlamydial, congenital
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), congenital (infective), due to, Chlamydia
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), in (due to), Chlamydia, neonatal