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765 Disorders relating to short gestation and low birthweight
Requires fifth digit. See beginning of section 764-779 for codes and definitions.
the listed conditions, without further specification, as causes of mortality, morbidity, or additional care, in fetus or newborn
765.0 Extreme immaturity
Note: Usually implies a birthweight of less than 1,000 grams.
Use additional code for weeks of gestation (765.20-765.29)
765.1 Other preterm infants
Note: Usually implies birthweight of 1,000-2,499 grams.
Prematurity NOS
Prematurity or small size, not classifiable to 765.0 or as "light-for-dates" in 764
Use additional code for weeks of gestation (765.20-765.29)
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