CBC, CMP, TSH, T3, T4, Folate, HgbAlc, Vitamins Bl, B2, B6, B12, MMA, Homocysteine, Vitamin D, Serum ferritin, Lactate, pyruvate, Carnitine and acyl-carnitine levels, CoQlO level, ANA, RF, ENA, ESR, CRP, Serum ACE level, Serum copper, serum or whole blood zinc, ANCA, LFT, HIV, Hepatitis panel, RPR, UPEP, SPEP, IFE, Quantitative Immunoglobulins, C04/C08 counts. SS-A and SS-B Antibodies, Cryoglobulins, Myelin Associated Glycoprotein (MAG) Antibody, Ganglioside (GM1, GD1b, and GQ1b) Antibodies

Procedures: EMG/NCS, muscle/nerve biopsy

Biopsy: Skin

Other studies: Motor-sensory neuropathy panel (Pestronk), Muscle mitochondrial enzyme analysis (Pestronk), Muscle Glycogen pathway analysis (Pestronk)