Test Overview
Test Methodology

Colorimetric

Test Usage

Evaluate thiocyanate toxicity, nitroprusside poisoning

Reference Range *

Normal: Negative; Therapeutic: 0.6-2.9 mg/dL (103-499 uMol/L); Toxic: greater than 3.5 mg/dL (greater than 602 uMol/L), Critical: greater than 10.0 mg/dL (greater than 1720 uMol/L)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday, one run per day
Analytic Time

8 hours

Soft Order Code
THIO
MiChart Code
Thiocalc Comp of Thio Mon
Synonyms
    Laboratory
    Immunology & Special Chemistry
    Section
    Special Chemistry
    Specimen Requirements
    Collection Instructions

    Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic container and refrigerate.

    Normal Volume

    1.5 mL serum

    Minimum Volume

    1.1 mL serum

    Additional Information

    Nitroprusside (Nipride) is an antihypertensive agent; it produces cyanogen (CN) in the body which is rapidly detoxified to thiocyanate in the liver. The half-life of thiocyanate is 7 days. Toxic manifestations are psychotic behavior, agitation and convulsions.

    Billing
    CPT Code
    84430
    Fee Code
    20080
    LOINC
    3002-3
    NY State Approved
    No