Short bowel syndrome laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Overview

Laboratory findings consistent with the diagnosis of short bowel syndrome include anemia, hypoalbuminemia, low level of vitamins,

Laboratory Findings

• Laboratory findings consistent with the diagnosis of short bowel syndrome include:
  • Complete blood count (CBC) may show:
    • Anemia either microcytic or macrocytic
  • Low level of albumin
  • High level of acute phase reactant
    • High C-reactive protein (CRP)
    • High erythrocyte sedimentation rate (ESR)
  • Liver function test
    • High aspartate aminotransferase (AST)
    • High alanine aminotransferase (ALT)
    • High serum bilirubin
  • Blood chemistry profile
    • High blood urea nitrogen (BUN)
    • High serum creatinine
    • Low sodium
    • High potassium
    • Low chloride
    • Low calcium
    • Low magnesium
    • Low phosphorus
    • Low zinc
    • Low chromium
    • Low selenium
  • Vitamin levels in the blood
    • Low level of vitamin A
    • Low level of vitamin D
    • Low level of vitamin E
    • Low level of vitamin K
  • Fecal fat test