Non-specific code 2012 ICD-9-CM Diagnosis Code 535.6
Duodenitis
  • There are 2 ICD-9-CM codes below 535.6 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 535.6.
  • More recent version(s) of ICD-9-CM 535.6: 2013 2014.
ICD-9-CM Volume 2 Index entries containing back-references to 535.6:
  • Infection, infected, infective (opportunistic) 136.9
    • duodenum 535.6
  • Inflammation, inflamed, inflammatory (with exudation)
    • duodenum 535.6
  • Periduodenitis 535.6
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 535.6 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.