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Test Code LAB1099 Thiocyanate, Serum

Additional Codes

Medtox Test ID  
118

Performing Laboratory

St. Louis Children's Hospital Sendout to Medtox Laboratory

Specimen Requirements

Patient Preparation: None

Container/Tube  
Preferred: Plain red-top tube

Acceptable:  DkGrn NaHep (Sodium Heparin) tube
Collection Volume: 2.0 mL (minimum 0.6 mL)

Submission Container/Tube: If specimen is coming from outside facility, process and send aliquot of serum in screw-cap, leak-proof plastic vial for transport. Keep specimen at ambient temperature.

Special Instructions: Send to lab promptly

Sample Rejection

Mislabeled or unlabeled specimens

Specimens collected in gel separater tubes

Logistics

Test Availability: Monday-Sunday
Cut-off time: None

Days set up by performing lab: Monday-Sunday
Turnaround Time: 3-5 days

Reference Values

Reference Interval: None established

Toxic concentration: >10.0 mg/dL

Methodology

Spectrophotometry (SPEC)

Limitations

  • NA

Additional Information

FOR SLCH CORE LABORATORY USE ONLY

Lab Processing Instructions: Centrifuge to separate within 30 minutes of collection. Aliquot sample into a 5-mL screw-cap plastic vial for transport.
Processed Volume: 1.0 mL (minimum 0.3 mL) serum/plasma

Transport Temperature: Ambient 
Analyte Stability:

Specimen Type Temperature    Time
Whole Blood (unprocessed)     Ambient NA
Serum/Plasma Refrigerated     14 days 
  Ambient (preferred)    3 days
  Frozen     180 days   

 

NOTE:

  • Reject if collected in gel tube
  • Call Medtox Clinical Client services at 1-877-474-5767 with any questions. 
  • Ship samples Mon-Friday only by overnight courier. DO NOT ship on Saturday or Sunday.
  • Include a Medtox requistion with specimen.

Test Classification and CPT Code

84430

Test Classification: Medtox in-house validated method. This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

LOINC

3002-3

Last Reviewed

08/2025