KB27

ICD-11 MMS 2026-01

Pulmonary air leak or related conditions originating in the perinatal period

Description

Clinical syndrome due to free air from rupture of overdistended alveoli tracking into pulmonary interstitium, mediastinum, pleural cavity or subcutaneous tissues.

Coding note from above levels

Conditions arising in the perinatal period, even though death or morbidity occurs later, should, as far as possible, be coded to chapter 19, which takes precedence over chapters containing codes for diseases by their anatomical site. For children less than 28 days old, assume that a reported condition developed in the perinatal period, unless the duration is stated and the onset was after the first completed week of life.

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases - acquired after birth
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 08 – Certain congenital diseases of the nervous system
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 3A10 – Hereditary haemolytic anaemia
  • 4A01.03 – Transient hypogammaglobulinaemia of infancy
  • 9B71.3 – Retinopathy of prematurity
  • BC43 – congenital cardiomyopathy
  • DA93.0 – Paralytic ileus
  • EA50.Z – Pemphigus neonatorum
  • EH40.00 – Cradle cap
  • http://id.who.int/icd/entity/588616678 – Gastroenteritis or colitis of infectious origin
  • http://id.who.int/icd/entity/609214049 – Congenital gonococcal infection

Child codes

  • KB27.0 – Interstitial emphysema originating in the perinatal period
  • KB27.1 – Pneumothorax originating in the perinatal period
  • KB27.2 – Pneumomediastinum originating in the perinatal period
  • KB27.3 – Pneumopericardium originating in the perinatal period
  • KB27.4 – Pneumoperitoneum, originating in the perinatal period, due to primary pulmonary air leak syndromes
  • KB27.Y – Other specified pulmonary air leak or related conditions originating in the perinatal period
  • KB27.Z – Pulmonary air leak or related conditions originating in the perinatal period, unspecified

Sibling codes

  • KB20 – Intrauterine hypoxia
  • KB21 – Birth asphyxia
  • KB22 – Metabolic acidaemia in newborn
  • KB23 – Respiratory distress of newborn
  • KB24 – Congenital pneumonia
  • KB25 – Neonatal tracheitis
  • KB26 – Neonatal aspiration syndromes
  • KB28 – Pulmonary haemorrhage originating in the perinatal period
  • KB29 – Chronic respiratory disease originating in the perinatal period
  • KB2A – Apnoea of newborn
  • KB2B – Primary atelectasis of newborn
  • KB2C – Cyanotic attacks of newborn
  • KB2D – Respiratory failure of newborn
  • KB2E – Respiratory arrest of newborn
  • KB2F – Congenital lung or lobar atelectasis
  • KB2G – Tracheal haemorrhage of newborn due to airway trauma
  • KB2H – Acquired vocal cord paralysis in newborn
  • KB2J – Airway obstruction in the neonate due to airway abnormality
  • KB2K – Pulmonary cysts in newborn
  • KB2Y – Other specified respiratory disorders specific to the perinatal or neonatal period
  • KB2Z – Respiratory disorders specific to the perinatal or neonatal period, unspecified

Foundation entity

Pulmonary air leak or related conditions originating in the perinatal period – http://id.who.int/icd/entity/903061374

Part of: 19: Certain conditions originating in the perinatal period