• Diseases of the digestive system

        • K55 - Vascular disorders of intestine
        • K55.0 - Acute vascular disorders of intestine
        • K55.01 - Acute (reversible) ischemia of small intestine
        • K55.011 - Focal (segmental) acute ischemia of small intestine
        • K55.012 - Diffuse acute (reversible) ischemia of small intestine
        • K55.019 - Acute ischemia of small intestine, extent unspecified
        • K55.02 - Acute infarction of small intestine
        • K55.021 - Focal (segmental) acute infarction of small intestine
        • K55.022 - Diffuse acute infarction of small intestine
        • K55.029 - Acute infarction of small intestine, extent unspecified
        • K55.03 - Acute (reversible) ischemia of large intestine
        • K55.031 - Focal (segmental) acute ischemia of large intestine
        • K55.032 - Diffuse acute (reversible) ischemia of large intestine
        • K55.039 - Acute ischemia of large intestine, extent unspecified
        • K55.04 - Acute infarction of large intestine
        • K55.041 - Focal (segmental) acute infarction of large intestine
        • K55.042 - Diffuse acute infarction of large intestine
        • K55.049 - Acute infarction of large intestine, extent unspecified
        • K55.05 - Acute (reversible) ischemia of intestine, part unspecified
        • K55.051 - Focal acute ischemia of intestine, part unspecified
        • K55.052 - Diffuse acute ischemia of intestine, part unspecified
        • K55.059 - Acute ischemia of intestine, part and extent unspecified
        • K55.06 - Acute infarction of intestine, part unspecified
        • K55.061 - Focal acute infarction of intestine, part unspecified
        • K55.062 - Diffuse acute infarction of intestine, part unspecified
        • K55.069 - Acute infarction of intestine, part and extent unspecified
        • K55.1 - Chronic vascular disorders of intestine
        • K55.2 - Angiodysplasia of colon
        • K55.20 - Angiodysplasia of colon without hemorrhage
        • K55.21 - Angiodysplasia of colon with hemorrhage
        • K55.3 - Necrotizing enterocolitis
        • K55.30 - Necrotizing enterocolitis, unspecified
        • K55.31 - Stage 1 necrotizing enterocolitis
        • K55.32 - Stage 2 necrotizing enterocolitis
        • K55.33 - Stage 3 necrotizing enterocolitis
        • K55.8 - Other vascular disorders of intestine
        • K55.9 - Vascular disorder of intestine, unspecified
        • K56 - Paralytic ileus and intestinal obstruction without hernia
        • K56.0 - Paralytic ileus
        • K56.1 - Intussusception
        • K56.2 - Volvulus
        • K56.3 - Gallstone ileus
        • K56.4 - Other impaction of intestine
        • K56.41 - Fecal impaction
        • K56.49 - Other impaction of intestine
        • K56.5 - Intestinal adhesions with obstruction (postinfection)
        • K56.50 - Intestnl adhesions, unsp as to partial versus complete obst
        • K56.51 - Intestinal adhesions [bands], with partial obstruction
        • K56.52 - Intestinal adhesions [bands] with complete obstruction
        • K56.6 - Other and unspecified intestinal obstruction
        • K56.60 - Unspecified intestinal obstruction
        • K56.600 - Partial intestinal obstruction, unspecified as to cause
        • K56.601 - Complete intestinal obstruction, unspecified as to cause
        • K56.609 - Unsp intestnl obst, unsp as to partial versus complete obst
        • K56.69 - Other intestinal obstruction
        • K56.690 - Other partial intestinal obstruction
        • K56.691 - Other complete intestinal obstruction
        • K56.699 - Other intestnl obst unsp as to partial versus complete obst
        • K56.7 - Ileus, unspecified
        • K57 - Diverticular disease of intestine
        • K57.0 - Diverticulitis of small intestine w perforation and abscess
        • K57.00 - Dvtrcli of sm int w perforation and abscess w/o bleeding
        • K57.01 - Dvtrcli of sm int w perforation and abscess w bleeding
        • K57.1 - Diverticular disease of sm int w/o perforation or abscess
        • K57.10 - Dvrtclos of sm int w/o perforation or abscess w/o bleeding
        • K57.11 - Dvrtclos of sm int w/o perforation or abscess w bleeding
        • K57.12 - Dvtrcli of sm int w/o perforation or abscess w/o bleeding
        • K57.13 - Dvtrcli of sm int w/o perforation or abscess w bleeding
        • K57.2 - Diverticulitis of large intestine w perforation and abscess
        • K57.20 - Dvtrcli of lg int w perforation and abscess w/o bleeding
        • K57.21 - Dvtrcli of lg int w perforation and abscess w bleeding
        • K57.3 - Diverticular disease of lg int w/o perforation or abscess
        • K57.30 - Dvrtclos of lg int w/o perforation or abscess w/o bleeding
        • K57.31 - Dvrtclos of lg int w/o perforation or abscess w bleeding
        • K57.32 - Dvtrcli of lg int w/o perforation or abscess w/o bleeding
        • K57.33 - Dvtrcli of lg int w/o perforation or abscess w bleeding
        • K57.4 - Dvtrcli of both small and lg int w perforation and abscess
        • K57.40 - Dvtrcli of both small and lg int w perf and abscs w/o bleed
        • K57.41 - Dvtrcli of both small and lg int w perf and abscess w bleed
        • K57.5 - Diverticular dis of both small and lg int w/o perf or abscs
        • K57.50 - Dvrtclos of both sm and lg int w/o perf or abscs w/o bleed
        • K57.51 - Dvrtclos of both small and lg int w/o perf or abscs w bleed
        • K57.52 - Dvtrcli of both small and lg int w/o perf or abscs w/o bleed
        • K57.53 - Dvtrcli of both small and lg int w/o perf or abscess w bleed
        • K57.8 - Dvtrcli of intestine, part unsp, w perforation and abscess
        • K57.80 - Dvtrcli of intest, part unsp, w perf and abscess w/o bleed
        • K57.81 - Dvtrcli of intest, part unsp, w perf and abscess w bleeding
        • K57.9 - Diverticular disease of intest, part unsp, w/o perf or abscs
        • K57.90 - Dvrtclos of intest, part unsp, w/o perf or abscess w/o bleed
        • K57.91 - Dvrtclos of intest, part unsp, w/o perf or abscess w bleed
        • K57.92 - Dvtrcli of intest, part unsp, w/o perf or abscess w/o bleed
        • K57.93 - Dvtrcli of intest, part unsp, w/o perf or abscess w bleeding