KA20.00ICD-11 MMS 2026-01
Small for gestational age, symmetrical
Description
Growth of the fetus is affected in early pregnancy and growth is slow throughout the duration of the pregnancy. The head circumference is proportional to the rest of the body. Birth weight is 2 standard deviations below the mean, or below the 10th percentile.
Coding note
When both birth weight and gestational age are available, priority of assignment should be given to birth 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
- Small for gestational age, symmetrical
Exclusions from above levels
01– Certain infectious or parasitic diseases - acquired after birth02– Neoplasms05– Endocrine, nutritional or metabolic diseases
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08– Certain congenital diseases of the nervous system20– Congenital malformations, deformations and chromosomal abnormalities22– Injury, poisoning or certain other consequences of external causes3A10– Hereditary haemolytic anaemia4A01.03– Transient hypogammaglobulinaemia of infancy9B71.3– Retinopathy of prematurityBC43– congenital cardiomyopathyDA93.0– Paralytic ileusEA50.Z– Pemphigus neonatorumEH40.00– 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
Foundation entity
Small for gestational age, symmetrical – http://id.who.int/icd/entity/748432301
Part of: KA20.0: Small for gestational age › KA20: Disorders of newborn related to slow fetal growth or fetal malnutrition › 19: Certain conditions originating in the perinatal period