K00–K95
Diseases of the Digestive System
GERD, IBS, liver disease, appendicitis
K51.414
Inflammatory polyps of colon with abscess
Billable
K51.418
Inflammatory polyps of colon with other complication
Billable
K51.419
Inflammatory polyps of colon with unspecified complications
Billable
K51.5
Left sided colitis
Non-billable
K51.50
Left sided colitis without complications
Billable
K51.51
Left sided colitis with complications
Non-billable
K51.511
Left sided colitis with rectal bleeding
Billable
K51.512
Left sided colitis with intestinal obstruction
Billable
K51.513
Left sided colitis with fistula
Billable
K51.514
Left sided colitis with abscess
Billable
K51.518
Left sided colitis with other complication
Billable
K51.519
Left sided colitis with unspecified complications
Billable
K51.8
Other ulcerative colitis
Non-billable
K51.80
Other ulcerative colitis without complications
Billable
K51.81
Other ulcerative colitis with complications
Non-billable
K51.811
Other ulcerative colitis with rectal bleeding
Billable
K51.812
Other ulcerative colitis with intestinal obstruction
Billable
K51.813
Other ulcerative colitis with fistula
Billable
K51.814
Other ulcerative colitis with abscess
Billable
K51.818
Other ulcerative colitis with other complication
Billable
K51.819
Other ulcerative colitis with unspecified complications
Billable
K51.9
Ulcerative colitis, unspecified
Non-billable
K51.90
Ulcerative colitis, unspecified, without complications
Billable
K51.91
Ulcerative colitis, unspecified, with complications
Non-billable
K51.911
Ulcerative colitis, unspecified with rectal bleeding
Billable
K51.912
Ulcerative colitis, unspecified with intestinal obstruction
Billable
K51.913
Ulcerative colitis, unspecified with fistula
Billable
K51.914
Ulcerative colitis, unspecified with abscess
Billable
K51.918
Ulcerative colitis, unspecified with other complication
Billable
K51.919
Ulcerative colitis, unspecified with unspecified complications
Billable
K52
Other and unspecified noninfective gastroenteritis and colitis
Non-billable
K52.0
Gastroenteritis and colitis due to radiation
Billable
K52.1
Toxic gastroenteritis and colitis
Billable
K52.2
Allergic and dietetic gastroenteritis and colitis
Non-billable
K52.21
Food protein-induced enterocolitis syndrome
Billable
K52.22
Food protein-induced enteropathy
Billable
K52.29
Other allergic and dietetic gastroenteritis and colitis
Billable
K52.3
Indeterminate colitis
Billable
K52.8
Other specified noninfective gastroenteritis and colitis
Non-billable
K52.81
Eosinophilic gastritis or gastroenteritis
Billable
K52.82
Eosinophilic colitis
Billable
K52.83
Microscopic colitis
Non-billable
K52.831
Collagenous colitis
Billable
K52.832
Lymphocytic colitis
Billable
K52.838
Other microscopic colitis
Billable
K52.839
Microscopic colitis, unspecified
Billable
K52.89
Other specified noninfective gastroenteritis and colitis
Billable
K52.9
Noninfective gastroenteritis and colitis, unspecified
Billable
K55
Vascular disorders of intestine
Non-billable
K55.0
Acute vascular disorders of intestine
Non-billable
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