Colchicine Level




Test Mnemonic

COLCH

CPT Codes

  • 80375 - QTY (1)
  • G0480 - QTY (1)

Aliases

  • Colchicine, Serum/Plasma

Performing Laboratory

National Med Serv Inc


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumNo additive (Red) RefrigeratedDo not use serum separator tubes. Remove serum from cells ASAP and refrigerate.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLPlasmaEDTA (Lavender) RefrigeratedDo not use plasma separator tubes. Remove plasma from cells ASAP and refrigerate.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.7 mL     

Stability

Environmental Condition Description
Refrigerated30 days
Frozen8 months
Ambient1 day

Days Performed

Mon - Sun

Turnaround Time

9 - 10 days

Methodology

Name Description
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS) 

Reference Range

Special Info

This test is New York State approved. Specimens received at room temperature will be rejected. Polymer gel separation tubes are unacceptable.

Clinical Info

Reporting limit is 0.20 ng/mL. Purpose: Therapeutic drug monitoring. Following 1 mg p.o.: Peak plasma concentration was 5.5 ng/mL (range 4.0 to 7.6) at 1 hour.