
Disorders relating to short gestation and unspecified low birthweight

Disorders relating to extreme immaturity of infant

Disorders relating to extreme immaturity of infant unspecified weight

Disorders relating to extreme immaturity of infant less than 500 grams

Disorders relating to extreme immaturity of infant 500-749 grams

Disorders relating to extreme immaturity of infant 750-999 grams

Disorders relating to extreme immaturity of infant 1000-1249 grams

Disorders relating to extreme immaturity of infant 1250-1499 grams

Disorders relating to extreme immaturity of infant 1500-1749 grams

Disorders relating to extreme immaturity of infant 1750-1999 grams

Disorders relating to extreme immaturity of infant 2000-2499 grams

Disorders relating to extreme immaturity of infant 2500 grams and over

Disorders relating to other preterm infants

Disorders relating to other preterm infants unspecified weight

Disorders relating to other preterm infants less than 500 grams

Disorders relating to other preterm infants 500-749 grams

Disorders relating to other preterm infants 750-999 grams

Disorders relating to other preterm infants 1000-1249 grams

Disorders relating to other preterm infants 1250-1499 grams

Disorders relating to other preterm infants 1500-1749 grams

Disorders relating to other preterm infants 1750-1999 grams

Disorders relating to other preterm infants 2000-2499 grams

Disorders relating to other preterm infants 2500 grams and over

Weeks of gestation

Unspecified weeks of gestation

Less than 24 completed weeks of gestation

24 completed weeks of gestation

25-26 completed weeks of gestation

27-28 completed weeks of gestation

29-30 completed weeks of gestation

31-32 completed weeks of gestation

33-34 completed weeks of gestation

35-36 completed weeks of gestation

37 or more completed weeks of gestation