* Creatine Kinase-MB Quantitation Mnemonic CKMB Synonym CK-MB - Creatine Kinase Isoenzyme A - CK Isoenzyme 2 - CK-MB Mass Assay Includes CK, CKMB Specimen Collection Requirements Collect Preferred: Plasma, one 3.0 mL mint green (lithium heparin, PST) top tube Also acceptable: Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube Supply Item Number – 147641, 101235 or 101192 Handling Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Centrifuge and separate serum or plasma from cells, preferably within two hours of collection. Preferred Volume 1.0 mL Serum/Plasma Minimum Volume 0.5 mL Serum/Plasma (1.2 mL minimum whole blood draw) Transport Refrigerated (2-8°C) Rejection Criteria Grossly hemolyzed specimens Stability AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (≤ -20°C): 3 months Testing Information Performed 7 days/week Reported 24 hours Method Chemiluminescent Immunoassay Reference Values Reference Values For age related ranges see Chemistry Age Related Reference Ranges and Critical Values. CPT Codes 82553 Last Updated: Thursday, February 11, 2021 06:49:43 PM Client Services: 503-413-1234