KD32.1

ICD-11 MMS 2026-01

Underfeeding of newborn

Description

A paediatric condition characterised by a newborn who consumes less than average for their age and weight and who seems hungry and unsatisfied after feeding, is fussy or cries a lot, does not produce several wet and soiled diapers each day, and who does not gain weight.

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

  • Underfeeding of newborn
  • underfeeding problem of newborn

Exclusions from above levels

  • 6B83 – Avoidant-restrictive food intake disorder
  • 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

  • KD32.0 – Slow feeding of newborn
  • KD32.2 – Overfeeding of newborn
  • KD32.3 – Neonatal difficulty in feeding at breast
  • KD32.4 – Failure to thrive in newborn
  • KD32.Y – Other specified feeding problems of newborn
  • KD32.Z – Feeding problems of newborn, unspecified

Foundation entity

Underfeeding of newborn – http://id.who.int/icd/entity/802251057

Part of: KD32: Feeding problems of newborn › 19: Certain conditions originating in the perinatal period