Specific code 2014 ICD-9-CM Diagnosis Code 564.4
Other postoperative functional disorders
  • Billable Code
  • Short description: Postop GI funct dis NEC.
  • ICD-9-CM 564.4 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 564.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Diarrhea after gastrointestinal tract surgery
  • Diarrhea after GI surgery
  • Diarrhea and vomiting after gastrointestinal tract surgery
  • Postcholecystectomy diarrhea
  • Post-vagotomy diarrhea
564.4 Excludes
Applies To
  • Diarrhea following gastrointestinal surgery
Convert to ICD-10-CM: 564.4 converts approximately to:
  • 2014 ICD-10-CM K91.89 Other postprocedural complications and disorders of digestive system
ICD-9-CM Volume 2 Index entries containing back-references to 564.4:
  • Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
    • functional 564.5
      • following gastrointestinal surgery 564.4
      • psychogenic 306.4
    • postgastrectomy 564.4
    • postvagotomy 564.4
  • Disorder - see also Disease
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 564.4 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.