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K31.8

⚠ Non-billable (Header)

Other specified diseases of stomach and duodenum

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

inherited from K31

Rules from parent category K31: Other diseases of stomach and duodenum

  • • diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
  • • diverticulum of duodenum (K57.00-K57.13)

Child Codes (5)

K31.81Angiodysplasia of stomach and duodenumK31.82Dieulafoy lesion (hemorrhagic) of stomach and duodenumK31.83AchlorhydriaK31.84GastroparesisK31.89Other diseases of stomach and duodenum

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Code Information

CodeK31.8
BillableNo — Header code
ParentK31
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes22 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)