Category K55

Vascular disorders of intestine

Clinical Classification Guidelines

Specific Diagnosis Codes

Acute vascular disorders of intestine
K55.0
Acute (reversible) ischemia of small intestine
K55.01
Focal (segmental) acute (reversible) ischemia of small intestine
K55.011
Diffuse acute (reversible) ischemia of small intestine
K55.012
Acute (reversible) ischemia of small intestine, extent unspecified
K55.019
Acute infarction of small intestine
K55.02
Focal (segmental) acute infarction of small intestine
K55.021
Diffuse acute infarction of small intestine
K55.022
Acute infarction of small intestine, extent unspecified
K55.029
Acute (reversible) ischemia of large intestine
K55.03
Focal (segmental) acute (reversible) ischemia of large intestine
K55.031
Diffuse acute (reversible) ischemia of large intestine
K55.032
Acute (reversible) ischemia of large intestine, extent unspecified
K55.039
Acute infarction of large intestine
K55.04
Focal (segmental) acute infarction of large intestine
K55.041
Diffuse acute infarction of large intestine
K55.042
Acute infarction of large intestine, extent unspecified
K55.049
Acute (reversible) ischemia of intestine, part unspecified
K55.05
Focal (segmental) acute (reversible) ischemia of intestine, part unspecified
K55.051
Diffuse acute (reversible) ischemia of intestine, part unspecified
K55.052
Acute (reversible) ischemia of intestine, part and extent unspecified
K55.059
Acute infarction of intestine, part unspecified
K55.06
Focal (segmental) acute infarction of intestine, part unspecified
K55.061
Diffuse acute infarction of intestine, part unspecified
K55.062
Acute infarction of intestine, part and extent unspecified
K55.069
Chronic vascular disorders of intestine
K55.1
Angiodysplasia of colon
K55.2
Angiodysplasia of colon without hemorrhage
K55.20
Angiodysplasia of colon with hemorrhage
K55.21
Necrotizing enterocolitis
K55.3
Necrotizing enterocolitis, unspecified
K55.30
Stage 1 necrotizing enterocolitis
K55.31
Stage 2 necrotizing enterocolitis
K55.32
Stage 3 necrotizing enterocolitis
K55.33
Other vascular disorders of intestine
K55.8
Vascular disorder of intestine, unspecified
K55.9