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Mayo Clinic Laboratories

Test Code LAB64 CREATINE KINASE ISOENZYMES

Specimen Draw Volume

Volume: 3.0 mL

Minimum Volume: 2.0 mL

Processing Instructions

Draw in a Gold SST or Red Top tube. Allow tube to clot for 30 minutes, centrifuge, separate serum from cells and transfer to an aliquot tube. Store and transport refrigerated.

Stability

Stability: Refrigerated 7 Days, Frozen 14 Days

Performed Test Frequency

Tuesday | Friday

Methodology

Electrophoresis/Spectrophotometry

CPT(s)

82550|82552

Rejection Criteria

Rejection criteria: Gross hemolysis, Plasma: EDTA, iodoacetate, citrate, heparin, fluoride , Room Temp specimens.

Acceptable Collection Tube(s)

CKISO

Perfroming Location

Preferred: Gold SST

Acceptable: Red Top

Rejection

 1 - 4 Days