P28.0 ICD-10-CA code: Primary atelectasis of newborn
P28.0 is the ICD-10-CA code for “Primary atelectasis of newborn” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
P28.0Primary atelectasis of newborn
ICD-10-CA · Canada · Also written P280
Index terms
Entries in CIHI’s alphabetical index that lead to P28.0. Searching the index by the condition the note names is how coders reach this code.
- Premature, lungs
- Nonexpansion, lung (newborn)
- Atelectasis (massive) (partial) (pressure) (pulmonary), primary (newborn)
- Condition, conditions (arising in the perinatal period), premature, lungs
- Failure, failed, expansion, terminal respiratory units (newborn) (primary)
- Inadequate, inadequacy, development, lungs, associated with short gestation
- Condition, conditions (arising in the perinatal period), nonexpansion, lung (newborn)
- Atelectasis (massive) (partial) (pressure) (pulmonary), fetus or newborn (secondary), primary
- Immaturity (28 completed weeks or more but less than 37 completed weeks), pulmonary, fetus or newborn
- Hypoplasia, hypoplastic, pulmonary (not associated with short gestation), associated with short gestation
- Hypoplasia, hypoplastic, lung (lobe) (not associated with short gestation), associated with short gestation
- Condition, conditions (arising in the perinatal period), dysplasia, lung (congenital), associated with short gestation
- Condition, conditions (arising in the perinatal period), hypoplasia, hypoplastic, pulmonary, associated with short gestation
- Hypoplasia, hypoplastic, lung (lobe) (not associated with short gestation), with immaturity, prematurity or low birth weight
- Condition, conditions (arising in the perinatal period), failure, failed, expansion, terminal respiratory units (newborn) (primary)
- Condition, conditions (arising in the perinatal period), inadequate, inadequacy, development, lungs, associated with short gestation
- Condition, conditions (arising in the perinatal period), hypoplasia, hypoplastic, lung (congenital) (lobe), associated with short gestation
- Condition, conditions (arising in the perinatal period), immaturity (28 completed weeks or more but less than 37 completed weeks), respiratory
- Condition, conditions (arising in the perinatal period), atelectasis (massive) (partial) (pressure) (pulmonary), fetus or newborn (secondary), primary
- Condition, conditions (arising in the perinatal period), immaturity (28 completed weeks or more but less than 37 completed weeks), pulmonary, fetus or newborn
Notes for P28.0
As CIHI prints them, with any note P28.0 takes from the headings above it.
Includes
- Primary failure to expand terminal respiratory unitsPulmonary:• hypoplasia associated with short gestation• immaturity NOS
- 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 of the respiratory system (Q30-Q34)From P28 Other respiratory conditions originating in the perinatal period
- 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 P28.0 sits
- 1ChapterChapter 16: Certain conditions originating in the perinatal period (P00-P96)
- 2Block P20-P29Respiratory and cardiovascular disorders specific to the perinatal period
- 3Category P28Other respiratory conditions originating in the perinatal period
- 4Valid code P28.0Primary atelectasis of newborn
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.
Frequently asked questions
What does ICD-10-CA code P28.0 mean?
P28.0 is the ICD-10-CA code for “Primary atelectasis of newborn” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is P28.0 in ICD-10-CA?
P28.0 sits under P28 Other respiratory conditions originating in the perinatal period, within 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 P28.0?
ICD-10-CA lists Includes, Excludes notes for P28.0, 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.