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KA21 Disorders of newborn related to short gestation or low birth weight, not elsewhere classified

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Infants whose weight is appropriate for their gestational ages are termed appropriate for gestational age (AGA). Infants that are heavier than expected are large for gestational age (LGA). Conversely, those smaller than expected are considered small for gestational age (SGA).

exclusions

• Disorders of newborn related to slow fetal growth or fetal malnutrition  (KA20)

sections/codes in this section (KA21-KA21)

• Extremely low birth weight of newborn  (KA21.0)
• Very low birth weight of newborn  (KA21.1)
• Low birth weight of newborn  (KA21.2)
• Extreme prematurity of newborn  (KA21.3)
• Preterm newborn  (KA21.4)

coding note

When both birth weight and gestational age are available, priority of assignment should be given to birth weight.

synonyms

• Disorders of newborn related to short gestation or low birth weight, not elsewhere classified

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