Specific code 2011 ICD-9-CM Diagnosis Code 777.50
Necrotizing enterocolitis in newborn, unspecified
  • Short description: Nec enterocoltis NB NOS.
  • ICD-9-CM 777.50 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 777.50 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 777.50.
  • More recent version(s) of ICD-9-CM 777.50: 2012 2013 2014.
Applies To
  • Necrotizing enterocolitis in newborn, NOS
Convert to ICD-10-CM: 777.50 converts directly to:
  • 2014 ICD-10-CM P77.9 Necrotizing enterocolitis in newborn, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 777.50:
  • Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
    • necrotizing of fetus or newborn (see also Enterocolitis, necrotizing, newborn) 777.50
    • newborn 777.8
      • necrotizing (see also Enterocolitis, necrotizing, newborn) 777.50
  • Enterocolitis - see also Enteritis
    • fetus or newborn (see also Enterocolitis, necrotizing, newborn) 777.8
      • necrotizing 777.50
    • necrotizing (acute) (membranous) 557.0
    • primary necrotizing (see also Enterocolitis, necrotizing, newborn) 777.50
    • radiation 558.1
      • newborn (see also Enterocolitis, necrotizing, newborn) 777.50
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 777.50 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.