ICD-10-CM P23 is the diagnosis code for Congenital pneumonia. This code falls under the section "Respiratory and cardiovascular disorders specific to the perinatal period" within Chapter 16 — Certain conditions originating in the perinatal period (P00-P96). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as P23. They are mutually exclusive:
Understanding where P23 sits in the ICD-10-CM classification helps ensure proper coding:
No, P23 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
P23 is the ICD-10-CM diagnosis code for "Congenital pneumonia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
P23 is located in Section P19-P29 — "Respiratory and cardiovascular disorders specific to the perinatal period" within Chapter 16 of the ICD-10-CM Tabular List.
P23 has 9 sub-code(s) that provide more specific detail: P23.0, P23.1, P23.2, P23.3, P23.4 and more.
Use P23 when the patients documented diagnosis matches "Congenital pneumonia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Congenital pneumonia is P23.
No, P23 is non-billable. Use a more specific sub-code for primary diagnosis billing.
P23 is in Chapter 16 of the ICD-10-CM Tabular List.
Type 1 Excludes for P23 include: neonatal pneumonia resulting from aspiration (P24.-).
Yes, P23 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.