Fast Five Quiz: Chronic Fatigue Syndrome (Myalgic Encephalomyelitis)

Michael Stuart Bronze, MD


January 01, 2022

According to 2021 consensus recommendations, these routine diagnostic tests are recommended for all patients with suspected ME/CFS:

  • Complete blood count with differential   

  • Rheumatoid factor

  • Comprehensive metabolic panel

  • Four-point salivary cortisol (eg, upon waking, at noon, at 4:00 PM, and at bedtime)

  • Morning cortisol

  • Antinuclear antibody

  • Thyroid-stimulating hormone, free thyroxine

  • C-reactive protein

  • Vitamin B12

  • Erythrocyte sedimentation rate

  • 25-dihydroxy vitamin D

  • Ferritin         

  • Urinalysis

Read more on differential diagnoses to be excluded in patients with suspected ME/CFS.