Lactate to Pyruvate Ratio, Whole Blood
| CPT Code(s): | 84210; 83605 |
| Specimen Required: | Patient Preparation:Patient should be fasting and at complete rest. Patient should avoid any exercise of the arm or hand before or during collection. Draw the specimen without the use of a tourniquet or within three minutes of applying the tourniquet, but before releasing the tourniquet. Collect:Green (sodium or lithium heparin). Specimen Preparation:1) Immediately after blood is drawn, add exactly 1 mL whole blood to a chilled pyruvate collection tube containing 2 mL 8 percent (w/v) perchloric acid (RDL supply #16567) available online through eSupply using RDL Connect™ or contact Client Services at (888) 431-7474. 2) Mix well for 30 seconds then place in an ice bath for 10 minutes.3) Centrifuge for 10 minutes at 1500 x g. 4) Decant 2 mL supernatant to an RDL Standard Transport Tube and freeze. (Min: 1 mL) Storage/Transport Temperature:Frozen. Stability:Ambient: Unacceptable; Refrigerated: 2 days; Frozen: 4 weeks |
| New York DOH Approval Status: | This test is New York DOH approved. |
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