Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (88 page)

   ESR

   RPR

   Glycohemoglobin

   Urine/blood for heavy metals

   Urine/blood for porphyrins

   RF

   Sjögren syndrome testing (anti-Ro, anti-La antibodies)

   Lyme testing

   HIV

   Methylmalonic acid and homocysteine levels (in patients with borderline low serum B
₁₂
levels)

   Hepatitis screen (for types B and C)

Screening for predominantly demyelinating disorders:

   Serum protein electrophoresis and IEP

   Urine protein electrophoresis

   Hepatitis screen (for types B and C)