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
    Chemical Pathology
    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
    1.0 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