KB21.1

ICD-11 MMS 2026-01

Mild and moderate birth asphyxia

Description

Normal respiration not established within one minute, but heart rate 100 or above, some muscle tone present, some response to stimulation.

Coding note from above levels

This category is not to be used for low Apgar score without mention of asphyxia or other respiratory problems.

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

  • Mild and moderate birth asphyxia
  • Asphyxia with 5-minute Apgar score 4-7
  • Blue asphyxia
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  • asphyxia livida of newborn

Exclusions from above levels

  • KB20 – intrauterine hypoxia or asphyxia
  • 01 – Certain infectious or parasitic diseases - acquired after birth
  • 02 – Neoplasms
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  • 05 – Endocrine, nutritional or metabolic diseases
  • 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

  • KB21.0 – Severe birth asphyxia
  • KB21.Z – Birth asphyxia, unspecified

Foundation entity

Mild and moderate birth asphyxia – http://id.who.int/icd/entity/1875062819

Part of: KB21: Birth asphyxia › 19: Certain conditions originating in the perinatal period