Home > 2010 ICD-9-CM Diagnosis Codes > Diseases Of The Digestive System 520-579 > Other Diseases Of Intestines And Peritoneum 560-569 > Functional digestive disorders not elsewhere classified 564-
Specific code 2010 ICD-9-CM Diagnosis Code 564.9
Unspecified functional disorder of intestine
  • Short description: Funct dis intestine NOS.
  • ICD-9-CM 564.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 564.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2010 version of ICD-9-CM 564.9.
  • More recent version(s) of ICD-9-CM 564.9: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 564.9 converts directly to:
  • 2015/16 ICD-10-CM K59.9 Functional intestinal disorder, unspecified
Approximate Synonyms
  • Functional disorder of intestine
ICD-9-CM Volume 2 Index entries containing back-references to 564.9:
  • Colic (recurrent) 789.7
    • mucous 564.9
      • psychogenic 316 [564.9]
  • Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9
    • adaptive 564.9
    • membranous 564.9
      • psychogenic 316 [564.9]
    • mucous 564.9
      • psychogenic 316 [564.9]
    • pseudomucinous 564.9
    • spastic 564.9
      • psychogenic 316 [564.9]
  • Complaint - see also Disease
    • bowel, functional 564.9
    • intestine, functional 564.9
  • Disease, diseased - see also Syndrome
  • Disorder - see also Disease
  • Distress
    • colon 564.9
    • intestinal (functional) NEC 564.9
  • Dysfunction
    • colon 564.9
    • rectum 564.9
  • Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
    • adaptive 564.9
    • membranous 564.9
    • mucous 564.9
    • myxomembranous 564.9
    • neurogenic 564.9
    • spasmodic 564.9
    • spastic 564.9
  • Enterospasm 564.9
  • Hyperactive, hyperactivity 314.01
    • bowel (syndrome) 564.9
    • colon 564.9
    • intestine 564.9
  • Hypermobility
    • cecum 564.9
    • colon 564.9
  • Hypermotility
    • intestine 564.9
  • Hypersensitive, hypersensitiveness, hypersensitivity - see also Allergy
    • colon 564.9
  • Irritation
    • intestinal (bowel) 564.9
  • Mucoenteritis 564.9
  • Spasm, spastic, spasticity (see also condition) 781.0
    • bowel 564.9
    • cecum 564.9
    • intestinal 564.9
    • sigmoid 564.9
  • Syndrome - see also Disease
    • functional
      • bowel 564.9
      • prepubertal castrate 752.89
    • hyperactive bowel 564.9
  • Upset
    • intestinal (large) (small) 564.9
 564.89 ICD9Data.com 565 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 564.9 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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