2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Esophagus, Stomach, And Duodenum 530-537 > Disorders Of Function Of Stomach 536.* > 2006 ICD-9-CM Diagnosis 536.8 Dyspepsia and other specified disorders of function of stomach View the most recent version of ICD-9-CM 536.8 Impaired digestion, especially after eating. A lack of HYDROCHLORIC ACID in GASTRIC JUICE despite stimulation of gastric secretion. (a-klor-HY-dree-a) A lack of hydrochloric acid in the digestive juices in the stomach. Hydrochloric acid helps digest food. Upset stomach. 536.8 is a specific code that can be used to specify a diagnosis 536.8 contains 75 index entries View the ICD-9-CM Volume 1 536.* hierarchy Alternate Terminology Achylia gastrica Hourglass contraction of stomach Hyperacidity Hyperchlorhydria Hypochlorhydria Indigestion 536.8 Excludes achlorhydria (536.0) heartburn (787.1)  Index entries containing 536.8: Achylia gastrica 536.8 neurogenic 536.3 psychogenic 306.4 Achylosis 536.8 Acid peptic disease 536.8 stomach 536.8 psychogenic 306.4 Acidity, gastric (high) (low) 536.8 psychogenic 306.4 Apepsia 536.8 achlorhydric 536.0 psychogenic 306.4 Bilocular stomach 536.8 Colic (recurrent) 789.0 gastric 536.8 Contraction, contracture, contracted hourglass stomach 536.8 congenital 750.7 psychogenic 306.4 stomach 536.8 hourglass 536.8 congenital 750.7 psychogenic 306.4 psychogenic 306.4 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 Dilatation gastric 536.8 acute 536.1 psychogenic 306.4 stomach 536.8 acute 536.1 psychogenic 306.4 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 psychogenic 306.4 Disorder - see also Disease gastric (functional) 536.9 motility 536.8 secretion 536.8 Distention stomach 536.8 acute 536.1 psychogenic 306.4 Disturbance - see also Disease gastric (functional) 536.9 motility 536.8 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 atonic 536.3 psychogenic 306.4 diarrhea 787.91 psychogenic 306.4 intestinal 564.89 psychogenic 306.4 nervous 306.4 neurotic 306.4 psychogenic 306.4 Engorgement stomach 536.8 Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9 due to achylia gastrica 536.8 Fermentation (gastric) (gastrointestinal) (stomach) 536.8 intestine 564.89 psychogenic 306.4 psychogenic 306.4 Gastralgia 536.8 psychogenic 307.89 Gastritis 535.5 spastic 536.8 Gastrodynia 536.8 Gastrorrhea 536.8 psychogenic 306.4 Gastrospasm (neurogenic) (reflex) 536.8 neurotic 306.4 psychogenic 306.4 Gastrosuccorrhea (continuous) (intermittent) 536.8 neurotic 306.4 psychogenic 306.4 Hourglass contraction, contracture stomach 536.8 congenital 750.7 psychogenic 306.4 Hyperacidity, gastric 536.8 psychogenic 306.4 Hyperactive, hyperactivity gastrointestinal 536.8 psychogenic 306.4 stomach 536.8 Hyperchlorhydria 536.8 neurotic 306.4 psychogenic 306.4 Hyperchylia gastrica 536.8 psychogenic 306.4 Hypermobility stomach 536.8 psychogenic 306.4 Hypermotility gastrointestinal 536.8 stomach 536.8 Hypersecretion gastric 536.8 psychogenic 306.4 Hypersensitive, hypersensitiveness, hypersensitivity - see also Allergy stomach (allergic) (nonallergic) 536.8 psychogenic 306.4 Hypertonicity gastrointestinal (tract) 536.8 stomach 536.8 psychogenic 306.4 Hypoacidity, gastric 536.8 psychogenic 306.4 Hypochlorhydria 536.8 neurotic 306.4 psychogenic 306.4 Hypomotility gastrointestinal tract 536.8 psychogenic 306.4 stomach 536.8 psychogenic 306.4 Indigestion (bilious) (functional) 536.8 acid 536.8 catarrhal 536.8 due to decomposed food NEC 005.9 fat 579.8 nervous 306.4 psychogenic 306.4 Inertia stomach 536.8 psychogenic 306.4 Malfunction - see also Dysfunction gastroenteric 536.8 Myasthenia 358.00 stomach 536.8 psychogenic 306.4 Pain(s) gastric 536.8 stomach 536.8 psychogenic 307.89 Peptic acid disease 536.8 Reichmann's disease or syndrome (gastrosuccorrhea) 536.8 Retention, retained gastric 536.8 Rossbach's disease (hyperchlorhydria) 536.8 psychogenic 306.4 Spasm, spastic, spasticity (see also condition) 781.0 gastrointestinal (tract) 536.8 psychogenic 306.4 stomach 536.8 neurotic 306.4 Stasis duodenal 536.8 Subacidity, gastric 536.8 psychogenic 306.4 Syndrome - see also Disease dumping 564.2 nonsurgical 536.8 Reichmann's (gastrosuccorrhea) 536.8 Tachygastria 536.8 Upset gastric 536.8 psychogenic 306.4 gastrointestinal 536.8 psychogenic 306.4 virus (see also Enteritis, viral) 008.8 stomach 536.8 psychogenic 306.4 Vomiting 787.03 functional 536.8 psychogenic 306.4