OTHER CONDITIONS ORIGINATING IN THE PERINATAL PERIOD (764-779)
The following fifth-digit subclassification is for use with category 764 and codes 765.0 and 765.1 to denote birthweight:
0 unspecified [weight]
1 less than 500 grams
2 500-749 grams
3 750-999 grams
4 1,000-1,249 grams
5 1,250-1,499 grams
6 1,500-1,749 grams
7 1,750-1,999 grams
8 2,000-2,499 grams
9 2,500 grams and over
769 Respiratory distress syndrome
Cardiorespiratory distress syndrome of newborn
Hyaline membrane disease (pulmonary)
Idiopathic respiratory distress syndrome [IRDS or RDS] of newborn
Pulmonary hypoperfusion syndrome
Excludes:
transient tachypnea of newborn (770.6)

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