IRRITABLE BOWEL SYNDROME
To be performed fasting at the laboratory or by a nurse at home:
Blood sample(s):
- Full blood count, CRP
- Fasting blood glucose
- Serum electrolytes
- Plasma creatinine with eGFR calculated using the CKD-EPI equation
- ALT, AST, GGT, alkaline phosphatase, bilirubin
- Serum lipase
- IgA tissue transglutaminase antibodies (tTG-IgA)
- and total IgA measurement
- If deficient: IgG anti-TG2 and IgG endomysial antibody testing
- TSH; free T4 if abnormal
Stool sample(s):
- Stool parasitology
- Faecal calprotectin
