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Diagnosis Code

K31.9 DISEASE OF STOMACH AND DUODENUM, UNSPECIFIED


Code Information

Diagnosis Code: K31.9

Short Description: Disease of stomach and duodenum, unspecified

Long Description: Disease of stomach and duodenum, unspecified

The code K31.9 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Other diseases of stomach and duodenum (K31)
        • K31.9 Disease of stomach and duodenum, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Disorder of duodenum
  • Disorder of stomach
  • Erosive duodenopathy
  • Erosive gastropathy
  • Functional disorder of gastrointestinal tract
  • Functional disorder of stomach
  • Gastric dysplasia
  • Gastric mucosal lesion
  • Gastritis medicamentosa
  • Gastroduodenal disorder
  • Hypertrophic gastropathy
  • Lesion of stomach
  • Mild stomach dysplasia
  • Moderate stomach dysplasia
  • NSAID-associated gastropathy
  • Papulous gastropathy
  • Reactive gastropathy
  • Severe stomach dysplasia
  • Stomach problem

Diagnostic Related Group(s)

The code K31.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders Without Mcc (392)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K31.9 Right Arrow 536.9 Stomach function dis NOS
537.9 Gastroduodenal dis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K31 Other diseases of stomach and duodenum
K31.0 Acute dilatation of stomach
K31.1 Adult hypertrophic pyloric stenosis
K31.2 Hourglass stricture and stenosis of stomach
K31.3 Pylorospasm, not elsewhere classified
K31.4 Gastric diverticulum
K31.5 Obstruction of duodenum
K31.6 Fistula of stomach and duodenum
K31.7 Polyp of stomach and duodenum
K31.8 Other specified diseases of stomach and duodenum
K31.81 Angiodysplasia of stomach and duodenum
K31.811 Angiodysplasia of stomach and duodenum with bleeding
K31.819 Angiodysplasia of stomach and duodenum without bleeding
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
K31.83 Achlorhydria
K31.84 Gastroparesis
K31.89 Other diseases of stomach and duodenum
K31.A Gastric intestinal metaplasia
K31.A0 Gastric intestinal metaplasia, unspecified
K31.A1 Gastric intestinal metaplasia without dysplasia
K31.A11 Gastric intestinal metaplasia without dysplasia, involving the antrum
K31.A12 Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
K31.A13 Gastric intestinal metaplasia without dysplasia, involving the fundus
K31.A14 Gastric intestinal metaplasia without dysplasia, involving the cardia
K31.A15 Gastric intestinal metaplasia without dysplasia, involving multiple sites
K31.A19 Gastric intestinal metaplasia without dysplasia, unspecified site
K31.A2 Gastric intestinal metaplasia with dysplasia
K31.A21 Gastric intestinal metaplasia with low grade dysplasia
K31.A22 Gastric intestinal metaplasia with high grade dysplasia
K31.A29 Gastric intestinal metaplasia with dysplasia, unspecified

This page was last updated on: 10/1/2023

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