Try for free

P23 ICD-10-CA category: Congenital pneumonia

P23 isn’t a code on its own. Choose one of the 9 codes beneath it, the one the documentation supports.

Official description

P23

Congenital pneumonia

ICD-10-CA · Canada

Codes in P23

P23 isn’t a code on its own. Open the code that matches what the note documents.

P23.0Congenital pneumonia due to viral agentP23.1Congenital pneumonia due to ChlamydiaP23.2Congenital pneumonia due to staphylococcusP23.3Congenital pneumonia due to streptococcus, group BP23.4Congenital pneumonia due to Escherichia coliP23.5Congenital pneumonia due to PseudomonasP23.6Congenital pneumonia due to other bacterial agentsP23.8Congenital pneumonia due to other organismsP23.9Congenital pneumonia, unspecified

Notes for P23

As CIHI prints them, with any note P23 takes from the headings above it.

Includes

  • Infective pneumonia acquired in utero or during birth
  • Conditions that have their origin in the perinatal period even though death or morbidity occurs laterFrom Chapter 16: Certain conditions originating in the perinatal period (P00-P96)

Excludes

Conditions classified elsewhere.

  • Neonatal pneumonia resulting from aspiration (P24.-)
  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)tetanus neonatorum (A33)whooping cough (A37.-)From Chapter 16: Certain conditions originating in the perinatal period (P00-P96)

Where P23 sits

  1. 1ChapterChapter 16: Certain conditions originating in the perinatal period (P00-P96)
  2. 2Block P20-P29Respiratory and cardiovascular disorders specific to the perinatal period
  3. 3Category P23Congenital pneumonia

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See P23 in the CIHI source

Frequently asked questions

Is P23 a valid ICD-10-CA code?

No. P23 (Congenital pneumonia) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 9 codes; record the one the documentation supports.

Where is P23 in ICD-10-CA?

P23 sits under P20-P29 Respiratory and cardiovascular disorders specific to the perinatal period, within Chapter 16: Certain conditions originating in the perinatal period (P00-P96).

What coding notes apply to P23?

ICD-10-CA lists Includes, Excludes notes for P23, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside P23

P20Fetal acidaemiaP22Respiratory distress of newbornP24Neonatal aspiration syndromesP25Interstitial emphysema and related conditions originating in the perinatal periodP26Pulmonary haemorrhage originating in the perinatal periodP27Chronic respiratory disease originating in the perinatal periodP28Other respiratory conditions originating in the perinatal periodP29Cardiovascular disorders originating in the perinatal period