K00–K95
Diseases of the Digestive System
GERD, IBS, liver disease, appendicitis
K29.81
Duodenitis with bleeding
Billable
K29.9
Gastroduodenitis, unspecified
Non-billable
K29.90
Gastroduodenitis, unspecified, without bleeding
Billable
K29.91
Gastroduodenitis, unspecified, with bleeding
Billable
K30
Functional dyspepsia
Billable
K31
Other diseases of stomach and duodenum
Non-billable
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
Non-billable
K31.81
Angiodysplasia of stomach and duodenum
Non-billable
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
Non-billable
K31.A0
Gastric intestinal metaplasia, unspecified
Billable
K31.A1
Gastric intestinal metaplasia without dysplasia
Non-billable
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
Non-billable
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
K35
Acute appendicitis
Non-billable
K35.2
Acute appendicitis with generalized peritonitis
Non-billable
K35.20
Acute appendicitis with generalized peritonitis, without abscess
Non-billable
K35.200
Acute appendicitis with generalized peritonitis, without perforation or abscess
Billable
K35.201
Acute appendicitis with generalized peritonitis, with perforation, without abscess
Billable
K35.209
Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
Billable
K35.21
Acute appendicitis with generalized peritonitis, with abscess
Non-billable
K35.210
Acute appendicitis with generalized peritonitis, without perforation, with abscess
Billable
K35.211
Acute appendicitis with generalized peritonitis, with perforation and abscess
Billable
K35.219
Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
Billable
K35.3
Acute appendicitis with localized peritonitis
Non-billable
K35.30
Acute appendicitis with localized peritonitis, without perforation or gangrene
Billable
K35.31
Acute appendicitis with localized peritonitis and gangrene, without perforation
Billable
K35.32
Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
Billable
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