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Lactate/Pyruvate, Filtrate
Test Code11296
CPT Codes
83605, 84210
Preferred Specimen
4 mL whole blood collected in a sodium/fluoride (gray-top) tube
Patient Preparation
A fasting sample is required.
Minimum Volume
1 mL
Instructions
4 mL whole blood (gray-top tube) sodium fluoride, drawn from fasting patient without use of tourniquet and immediately mixed with 4 mL ice-cold 7% (w/v) Perchloric Acid.
Let mixture stand for 10 minutes and centrifuge. Submit supernatant fluid for assay. Please specify volumes of blood and Perchloric Acid used
Let mixture stand for 10 minutes and centrifuge. Submit supernatant fluid for assay. Please specify volumes of blood and Perchloric Acid used
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 3 hours
Refrigerated: 48 hours
Frozen: 30 days
Refrigerated: 48 hours
Frozen: 30 days
Methodology
Enzymatic
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
| Pyruvic Acid (Pyruvate), Blood | 0.30-1.50 mg/dL |
| Lactic Acid | 9.0-16.0 mg/dL |
| Lactate/Pyruvate Ratio | 10-20 |
