| ICD-11-MMS |
| KA21 在胎期間短縮又は低出生体重に関連する新生児の障害、他に分類されないもの(Disorders of newborn related to short gestation or low birth weight, not elsewhere classified) | |||||
| 分類ID | 分類名 | ICD11 | |||
| 1 | KA21.0 | 超低出生体重児(Extremely low birth weight of newborn) (8) | |||
| 2 | KA21.1 | 極低出生体重児(Very low birth weight of newborn) (3) | |||
| 3 | KA21.2 | 低出生体重児(Low birth weight of newborn) (11) | |||
| 4 | KA21.3 | 超早産児(Extreme prematurity of newborn) (19) | |||
| 5 | KA21.4 | 早産児(Preterm newborn) (19) | |||