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Test Code FFTIO Thiocyanate, Serum

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type


Specimen Required

Specimen Required

Submit only 1 of the following specimens:



Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 1 mL sodium heparin plasma refrigerated in plastic vial.



Draw blood in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 1 mL of serum refrigerated in plastic vial.

Specimen Minimum Volume

0.50 mL Does not allow for repeat testing

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 14 days
  Frozen  180 days
  Ambient  72 hours

Reference Values

Toxic Thiocyanate concentrations: Greater than 10 mg/dL

Day(s) Performed

Monday through Sunday

CPT Code Information


Report Available

1 to 5 days

Reject Due To

Hemolysis Mild OK; Gross Reject
Lipemia Mild OK; Gross OK
Icterus Mild OK; Gross OK
Other Anticoagulants other than Sodium heparin, EDTA, plain red-top

Method Name

Spectrophotometry (SPEC)

Secondary ID