KB26.0

ICD-11 MMS 2026-01

Neonatal aspiration of meconium

Description

Meconium Aspiration Syndrome (MAS) is defined as respiratory distress in an infant born through meconium-stained amniotic fluid with roentgenographic findings consistent with MAS and whose symptoms could not be otherwise explained.

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.

Index terms

  • Neonatal aspiration of meconium
  • MAS - [meconium aspiration syndrome]
  • meconium aspiration NOS
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  • meconium aspiration syndrome
  • meconium aspiration syndrome NOS
  • meconium aspiration syndrome of newborn
  • meconium inhalation
  • meconium pneumonitis
  • meconium stained liqueur aspiration

Excludes

  • KA05.8 – Meconium passage during delivery
  • KD38 – Meconium staining

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

Sibling codes

  • KB26.1 – Neonatal aspiration of amniotic fluid or mucus
  • KB26.2 – Neonatal aspiration of blood
  • KB26.3 – Neonatal aspiration of milk or regurgitated food
  • KB26.Y – Other specified neonatal aspiration syndromes
  • KB26.Z – Neonatal aspiration syndromes, unspecified

Foundation entity

Neonatal aspiration of meconium – http://id.who.int/icd/entity/872221482

Part of: KB26: Neonatal aspiration syndromes › 19: Certain conditions originating in the perinatal period