K31 — ICD-10-CM Diagnosis Codes

K31 Other diseases of stomach and duodenum
K31.0 Acute dilatation of stomach billable
K31.1 Adult hypertrophic pyloric stenosis billable
K31.2 Hourglass stricture and stenosis of stomach billable
K31.3 Pylorospasm, not elsewhere classified billable
K31.4 Gastric diverticulum billable
K31.5 Obstruction of duodenum billable
K31.6 Fistula of stomach and duodenum billable
K31.7 Polyp of stomach and duodenum billable
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 billable
K31.819 Angiodysplasia of stomach and duodenum without bleeding billable
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum billable
K31.83 Achlorhydria billable
K31.84 Gastroparesis billable
K31.89 Other diseases of stomach and duodenum billable
K31.9 Disease of stomach and duodenum, unspecified billable
K31.A Gastric intestinal metaplasia
K31.A0 Gastric intestinal metaplasia, unspecified billable
K31.A1 Gastric intestinal metaplasia without dysplasia
K31.A11 Gastric intestinal metaplasia without dysplasia, involving the antrum billable
K31.A12 Gastric intestinal metaplasia without dysplasia, involving the body (corpus) billable
K31.A13 Gastric intestinal metaplasia without dysplasia, involving the fundus billable
K31.A14 Gastric intestinal metaplasia without dysplasia, involving the cardia billable
K31.A15 Gastric intestinal metaplasia without dysplasia, involving multiple sites billable
K31.A19 Gastric intestinal metaplasia without dysplasia, unspecified site billable
K31.A2 Gastric intestinal metaplasia with dysplasia
K31.A21 Gastric intestinal metaplasia with low grade dysplasia billable
K31.A22 Gastric intestinal metaplasia with high grade dysplasia billable
K31.A29 Gastric intestinal metaplasia with dysplasia, unspecified billable