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P27 ICD-10-CA category: Chronic respiratory disease originating in the perinatal period

P27 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.

Official description

P27

Chronic respiratory disease originating in the perinatal period

ICD-10-CA · Canada

Codes in P27

P27 isn’t a code on its own. Open the code that matches what the note documents.

P27.0Wilson-Mikity syndromeP27.1Bronchopulmonary dysplasia originating in the perinatal periodP27.8Other chronic respiratory diseases originating in the perinatal periodP27.9Unspecified chronic respiratory disease originating in the perinatal period

Notes for P27

As CIHI prints them, with any note P27 takes from the headings above it.

Includes

  • 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.

  • 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 P27 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 P27Chronic respiratory disease originating in the perinatal period

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 P27 in the CIHI source

Frequently asked questions

Is P27 a valid ICD-10-CA code?

No. P27 (Chronic respiratory disease originating in the perinatal period) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.

Where is P27 in ICD-10-CA?

P27 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 P27?

ICD-10-CA lists Includes, Excludes notes for P27, 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 P27

P20Fetal acidaemiaP22Respiratory distress of newbornP23Congenital pneumoniaP24Neonatal aspiration syndromesP25Interstitial emphysema and related conditions originating in the perinatal periodP26Pulmonary haemorrhage originating in the perinatal periodP28Other respiratory conditions originating in the perinatal periodP29Cardiovascular disorders originating in the perinatal period