CPT 4 Code: 84600

Test Order Mnemonic: VOLIT PAN

Test Includes: Acetone, Ethanol, Isopropanol, Methanol

Lab: Clinical Chemistry

Request Form: Special Chemistry Form 2. Chain of Custody form required for possible legal samples.

Collection: Routine venipuncture. Cleaning of puncture site should be performed with a non-alcoholic solution. Arterial, venous, or capillary whole blood properly collected in a closed system is the preferred specimen.

Storage Instructions: Blood is stable at room temperature (25°C) for 48 hours; refrigerated (5°C) for about two weeks; centrifuge the specimen, remove serum/plasma and freeze at (-15°C) for up to about four weeks. Tube should be completely filled and must be tightly stoppered.

Availability: Samples are received 24 hours per day at Sample Management, Room 5.136 McCullough.

Turnaround Time: Routine: 24 hours

Special Instructions: Requests after 5 p.m. require approval of the director or pathology resident on call.

Specimen: Blood and other body fluids.

Volume: 7 mL blood or fluid.

Minimum Volume: 1 mL serum or fluid.

Container: Red-topped tube

Reference Ranges: Negative

Critical Values: Toxic: Acetone, >50 mg/dL; Methanol, >10 mg/dL; Isopropanol, >50 mg/dL; Ethanol concentrations above 400 mg/dL have been associated with fatalities.

Test Method: Gas Chromatography

Reviewed/revised April 2007 by P. Harris