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ICD-10-CM Code K31.89
Other diseases of stomach and duodenum

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

K31.89 is a billable ICD code used to specify a diagnosis of other diseases of stomach and duodenum. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code K318 is used to code Gastroparesis

Gastroparesis (gastro- from Ancient Greek γαστήρ gaster, "stomach" and πάρεσις -paresis, "partial paralysis"), also called delayed gastric emptying, is a medical condition consisting of a paresis (partial paralysis) of the stomach, resulting in food remaining in the stomach for an abnormally long time. Normally, the stomach contracts to move food down into the small intestine for additional digestion. The vagus nerve controls these contractions. Gastroparesis may occur when the vagus nerve is damaged and the muscles of the stomach and intestines do not properly function. Food then moves slowly or stops moving through the digestive tract.

Specialty: Gastroenterology
MeSH Codes: D018589,
ICD 9 Codes: 536.3, 537.5
Source: Wikipedia

MS-DRG Mapping

  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders with MCC.
  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders without MCC.

Related Concepts SNOMET-CT

  • Peptic ulcer without hemorrhage AND without perforation but with obstruction (disorder)
  • Acute gastric ulcer without hemorrhage AND without perforation but with obstruction (disorder)
  • Postoperative gastric retention (disorder)

ICD-10-CM Alphabetical Index References for 'K31.89 - Other diseases of stomach and duodenum'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K31.89. Click on any term below to browse the alphabetical index.

Tachygastria (K31.89)
Subacidity, gastric (K31.89)
Reichmann's disease or syndrome (K31.89)
Rossbach's disease (K31.89)
Megalogastria(acquired) (K31.89)
Hyperacidity(gastric) (K31.89)
Hyperchlorhydria (K31.89)
Hypoacidity, gastric (K31.89)
Hypochlorhydria (K31.89)
Gastroliths (K31.89)
Gastromalacia (K31.89)
Gastroptosis (K31.89)
Gastrospasm(neurogenic) (reflex) (K31.89)
Gastrostenosis (K31.89)
Gastrosuccorrhea(continuous) (intermittent) (K31.89)


Gastroptosis (approximate match)
Other specified disorders of stomach and duodenum (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code K31.89 and a single ICD9 code, 537.89 is an approximate match for comparison and conversion purposes.

Parent Code: K31.8 - Other specified diseases of stomach and duodenum

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/K3189