Table 13.7-2. Recommended blood testing in patients evaluated for eating disorders

CBC, differential count

Creatinine and urea

Pregnancy test (in women of childbearing age)

– Electrolytes: Sodium, potassium, chloride, bicarbonate

– Extended electrolytes: Calcium, magnesium, phosphorous

– Glucose

Liver function tests: AST, ALT, ALP, GGT, total protein, albumin, bilirubin

– TSH

– LH, FSH, and estradiol in patients with amenorrhea

ESR and/or CRP

Amylase

Ferritin

ALP, alkaline phosphatase; ALT, alanine aminotransferase; AST, aspartate aminotransferase; CBC, complete blood count; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; FSH, follicle-stimulating hormone; GGT, gamma-glutamyl transferase (transpeptidase); LH, luteinizing hormone; TSH, thyroid-stimulating hormone.