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Laboratory Test Directory

Mitochondrial Respiratory Chain Enzyme Analysis


Name Method Department Units
Mito. Respiratory Chain Enzyme Spectrophotometric
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Battery Members

Ferricyanide:NADH dehydrogenase (ETC Complex I), NADH: cytochrome c reductase (ETC Complex I-III), Succinate dehydrogenase (ETC Complex II), Succinate: cytochrome c reductase (ETC Complex II-III), Cytochrome c oxidase (ETC Complex IV), Citrate synthase

Specimen Requirements


Container Type Container Size Specimen Volume

Sterile container

N/A 150 mg

Frozen - 24 month(s)

Specimen Preparation

  • Immediately place on dry ice and transport frozen


Skeletal Muscle should be flash frozen in liquid nitrogen at collection with no media added, stored at -80C, and shipped by overnight courier on 3-5 lbs of dry ice. Please include completed testing requisition along with the sample submissions. It is attached to this entry.

If specimen is Skin Fibroblasts, then order an XMIS for Mitochondrial Respiratory Chain Enzyme Analysis (ETC) Skin Fibroblasts (Baylor test 3210.) Different CPT codes are used for this type of specimen.?

CPT Code

  • 84311 (X8)
  • 82657 (X8)