Gastroenteritis ICD 9 Code


Billable Medical Code for Other and Unspecified Noninfectious Gastroenteritis and Colitis

Diagnosis Code for Reimbursement Claim: ICD-9-CM 558.9

Code will be replaced by October 2015 and relabeled as ICD-10-CM 558.9.

The Short Description Is: Noninf gastroenterit NEC.

Known As

Gastroenteritis is also known as acute and chronic colitis, acute gastroenteritis, acute hemorrhagic enterocolitis, acute radiation colitis, acute radiation enteritis, allergic ileitis, allergic jejunitis, antibiotic enterocolitis, behcet’s colitis, chemical colitis, chronic colitis, chronic proliferative enteritis, colitis, colitis (colon inflammation), colitis (colon inflammation) collagenous, colitis (colon inflammation) microscopic, colitis cystica, colitis cystica profunda, colitis collagenous, colitis lymphocytic, colitis microscopic, collagenous colitis, dietetic colitis, dietetic enteritis, dietetic enterocolitis, dietetic gastroenteritis, dietetic ileitis, dietetic jejunitis, dietetic sigmoiditis, distal colitis, diversion colitis, drug-induced colitis, drug-induced enteritis, enteritis, enteritis (bowel condition), enteritis of small intestine, enterocolitis, enterocolitis (bowel condition), eosinophilic gastroenteropathy with predominant muscle layer disease, exacerbation of non-infective colitis, fibrinous enteritis, gastroenteritis, gastrointestinal mucositis, granulomatous enteritis non-Crohn’s disease, hemorrhagic colitis, hemorrhagic enteritis, idiopathic colitis, ileitis, indeterminate colitis, inflammation of large intestine, inflammation of small intestine, inflammation of small intestine and colon, inflammatory bowel disease, inflammatory disorder of digestive tract, iritis with inflammatory bowel disease, jejunitis, juvenile arthritis of inflammatory bowel disease, lymphocytic colitis, lymphocytic-plasmacytic colitis, lymphocytic-plasmacytic enteritis, microscopic colitis, neutropaenic enterocolitis, neutropenic colitis, nonbacterial gastroenteritis of infant, noninfectious colitis, non-infectious colitis, noninfectious enteritis, noninfectious gastroenteritis, noninfectious gastroenteritis associated with AIDS, noninfectious ileitis, noninfectious jejunitis, noninfectious sigmoiditis, non-infective enteritis and colitis, non-specific colitis, non-steroidal anti-inflammatory drug-induced colitis, phlegmonous colitis, phlegmonous enteritis,
purulent enteritis, pyogranulomatous enteritis, sigmoiditis, soap colitis, suppurative colitis, and uremic colitis. This applies to colitis NOS dietetic or noninfectious, enteritis NOS dietetic or noninfectious, gastroenteritis NOS dietetic or noninfectious, ileitis NOS dietetic or noninfectious, jejunitis NOS dietetic or noninfectious, sigmoiditis NOS dietetic or noninfectious.

Gastroenteritis Definition and Symptoms

Gastroenteritis is an inflammation of the lining of the stomach and intestines. This can be caused by infections, food poisoning, as well as stress. Symptoms include abdominal pain, nausea, vomiting, fever, weight loss, dehydration, and diarrhea.