2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Certain Conditions Originating In The Perinatal Period 760-779 > Other Conditions Originating In The Perinatal Period 764-779 > Disorders Relating To Short Gestation And Unspecified Low Birthweight 765.* > 2006 ICD-9-CM Diagnosis 765.1 Disorders relating to other preterm infants View the most recent version of ICD-9-CM 765.1 765.1 is a non-specific code that cannot be used to specify a diagnosis 765.1 contains 9 index entries View the ICD-9-CM Volume 1 765.* hierarchy Note : Usually implies birthweight of 1,000-2,499 grams.  Index entries containing 765.1: Birth immature 765.1 extremely 765.0 premature (infant) 765.1 Dysmaturity (see also Immaturity) 765.1 lung 770.4 pulmonary 770.4 Immaturity 765.1 extreme 765.0 fetus or infant light-for-dates - see Light-for-dates lung, fetus or newborn 770.4 organ or site NEC - see Hypoplasia pulmonary, fetus or newborn 770.4 reaction 301.89 sexual (female) (male) 259.0 Low birthweight 765.1 extreme (less than 1000 grams) 765.0 for gestational age 764.0 status (see also Status, low birth weight) V21.30 Premature - see also condition birth NEC 765.1 infant NEC 765.1 excessive 765.0 light-for-dates - see Light-for-dates Prematurity NEC 765.1 extreme 765.0 Preterm infant NEC 765.1 extreme 765.0