THIOCYANATE

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate serum from cells within 2 hours, and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.
Submit with order: Thiocyanate dose, Thiocyanate dose frequency, Thiocyanate route, Thiocyanate type of draw.

Alternate Specimen
Plasma: EDTA

Rejection Criteria
Citrated plasma, ACD plasma, whole blood

Methodology
Quantitative Colorimetric

Stability
Room Temperature: 5 days; Refrigerated: 5 days; Frozen: 5 days

Reference Range
Non-smoker: <=4 µg/mL
Smoker: 3–12 µg/mL
Nitroprusside therapy: 6–29 µg/mL
Toxic: >50 µg/mL

Performed
Monday, Friday

Turnaround Time3-7 days
Test CodeTHIOL
CPT-4 Code (s)
84430
LOINC Codes
Not available

Warde
Medical
Laboratory