Specific code 2011 ICD-9-CM Diagnosis Code 536.8
Dyspepsia and other specified disorders of function of stomach
  • Short description: Stomach function dis NEC.
  • ICD-9-CM 536.8 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 536.8 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 536.8.
  • More recent version(s) of ICD-9-CM 536.8: 2012 2013 2014.
Disease Synonyms
  • Abnormal gastric acidity
  • Achylia gastrica
  • Chronic regurgitation
  • Diminished gastrin secretion
  • Drug-induced dyspepsia
  • Dyspepsia
  • Dyspepsia (indigestion)
  • Dyspepsia (indigestion), not from ulcer
  • Erythematous gastropathy
  • Excessive gastric inhibitory peptide secretion
  • Flatulent dyspepsia
  • Friable mucosa of digestive system organ
  • Gastric motor function disorder
  • Gastric retention
  • Gastric spasm
  • Gastrointestinal hypomotility
  • Granular mucosa of digestive organ structure
  • Hyperchlorhydria
  • Hypochlorhydria
  • Increased gastric HCO>3<^-^ secretion
  • Increased gastric motility
  • Indigestion
  • Inhibition of gastric motility
  • Mild dietary indigestion
  • Minimal gastric reflux
  • Moderate gastric reflux
  • Non ulcer dyspepsia
  • Nonulcer dyspepsia
  • Non-ulcer dyspepsia
  • Peptic ulcer symptoms
  • Postoperative gastric retention
  • Primary chronic pseudo-obstruction of stomach
  • Rapid gastric emptying
  • Retained antrum syndrome
  • Upset stomach
  • Vagus indigestion
536.8 Excludes
Applies To
  • Achylia gastrica
  • Hourglass contraction of stomach
  • Hyperacidity
  • Hyperchlorhydria
  • Hypochlorhydria
  • Indigestion
  • Tachygastria
Convert to ICD-10-CM: 536.8 converts directly to:
  • 2014 ICD-10-CM K30 Functional dyspepsia
ICD-9-CM Volume 2 Index entries containing back-references to 536.8:
  • Achylia
  • Achylosis 536.8
  • Acid
    • peptic disease 536.8
    • stomach 536.8
  • Acidity, gastric (high) (low) 536.8
  • Apepsia 536.8
  • Bilocular
    • stomach 536.8
  • Colic (recurrent) 789.7
    • gastric 536.8
  • Contraction, contracture, contracted
    • stomach 536.8
  • Delay, delayed
    • gastric emptying 536.8
  • Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91
    • due to
      • achylia gastrica 536.8
      • Aerobacter aerogenes 008.2
      • Bacillus coli - see Enteritis, E. coli
      • bacteria NEC 008.5
      • bile salts 579.8
      • Capillaria
      • Clostridium perfringens (C) (F) 008.46
      • Enterobacter aerogenes 008.2
      • enterococci 008.49
      • Escherichia coli - see Enteritis, E. coli
      • Giardia lamblia 007.1
      • Heterophyes heterophyes 121.6
      • irritating foods 787.91
      • Metagonimus yokogawai 121.5
      • Necator americanus 126.1
      • Paracolobactrum arizonae 008.1
      • Paracolon bacillus NEC 008.47
      • Proteus (bacillus) (mirabilis) (Morganii) 008.3
      • Pseudomonas aeruginosa 008.42
      • S. japonicum 120.2
      • specified organism NEC 008.8
      • Staphylococcus 008.41
      • Streptococcus 008.49
      • Strongyloides stercoralis 127.2
      • Trichuris trichiuria 127.3
      • virus NEC (see also Enteritis, viral) 008.69
  • Dilatation
  • Disease, diseased - see also Syndrome
    • acid-peptic 536.8
    • peptic NEC 536.9
      • acid 536.8
    • Reichmann's (gastrosuccorrhea) 536.8
    • Rossbach's (hyperchlorhydria) 536.8
  • Disorder - see also Disease
    • gastric (functional) 536.9
      • motility 536.8
      • psychogenic 306.4
      • secretion 536.8
  • Distention
  • Disturbance - see also Disease
    • gastric (functional) 536.9
      • motility 536.8
      • psychogenic 306.4
      • secretion 536.8
  • Dumping syndrome (postgastrectomy) 564.2
    • nonsurgical 536.8
  • Dyspepsia (allergic) (congenital) (fermentative) (flatulent) (functional) (gastric) (gastrointestinal) (neurogenic) (occupational) (reflex) 536.8
    • acid 536.8
  • Engorgement
    • stomach 536.8
  • Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9
  • Fermentation (gastric) (gastrointestinal) (stomach) 536.8
  • Gastralgia 536.8
  • Gastritis 535.5
    • spastic 536.8
  • Gastrodynia 536.8
  • Gastrorrhea 536.8
  • Gastrospasm (neurogenic) (reflex) 536.8
  • Gastrosuccorrhea (continuous) (intermittent) 536.8
  • Hourglass contraction, contracture
  • Hyperacidity, gastric 536.8
  • Hyperactive, hyperactivity 314.01
    • gastrointestinal 536.8
    • stomach 536.8
  • Hyperchlorhydria 536.8
  • Hyperchylia gastrica 536.8
  • Hypermobility
    • stomach 536.8
  • Hypermotility
    • gastrointestinal 536.8
    • stomach 536.8
  • Hypersecretion
    • gastric 536.8
  • Hypersensitive, hypersensitiveness, hypersensitivity - see also Allergy
    • stomach (allergic) (nonallergic) 536.8
  • Hypertonicity
    • gastrointestinal (tract) 536.8
    • stomach 536.8
  • Hypoacidity, gastric 536.8
  • Hypochlorhydria 536.8
  • Hypomotility
    • gastrointestinal tract 536.8
    • stomach 536.8
  • Indigestion (bilious) (functional) 536.8
    • acid 536.8
    • catarrhal 536.8
    • due to decomposed food NEC 005.9
  • Inertia
    • stomach 536.8
  • Malfunction - see also Dysfunction
    • gastroenteric 536.8
  • Myasthenia 358.00
    • stomach 536.8
  • Pain(s) (see also Painful) 780.96
    • gastric 536.8
    • stomach 536.8
  • Peptic acid disease 536.8
  • Reichmann's disease or syndrome (gastrosuccorrhea) 536.8
  • Retention, retained
    • gastric 536.8
  • Rossbach's disease (hyperchlorhydria) 536.8
  • Spasm, spastic, spasticity (see also condition) 781.0
    • gastrointestinal (tract) 536.8
    • stomach 536.8
  • Stasis
    • duodenal 536.8
  • Subacidity, gastric 536.8
  • Syndrome - see also Disease
    • dumping 564.2
      • nonsurgical 536.8
    • Reichmann's (gastrosuccorrhea) 536.8
  • Tachygastria 536.8
  • Upset
    • gastric 536.8
    • gastrointestinal 536.8
      • psychogenic 306.4
      • virus (see also Enteritis, viral) 008.8
    • stomach 536.8
  • Vomiting 787.03
    • functional 536.8
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 536.8 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.