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Test Code M2023 Chloramphenicol

Additional Codes

EPIC Order: Miscellaneous Lab Test (LAB000)

Mayo test ID for Medtox: ZW80

Medtox test ID: 2023

Performing Laboratory

Mayo Medical Laboratory to Medtox

Specimen Requirements

Patient Preparation: None

Container/Tube  
Preferred: Plain red-top tube
Acceptable: DARK green-top Sodium Heparin (DRKGRN) tube
Collection Volume: 2.0 mL (minimum 0.6 mL)

Submission Container/Tube: If specimen is coming from outside facility aliquot processed sample into a plastic vial for transport (labeling with specimen type).
Special Instructions: None

Sample Rejection

Mislabeled or unlabeled specimens

Specimen collected in gel tubes

Logistics

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

Days Set-up: Monday-Friday
Turnaround Time: 4-7 days

Reference Values

Reference Interval: 10.0-20.0

Critical Values: None established

Methodology

HIgh Performance Liquid Chromatography/Tandme Mass Spectrometry (LC-MS/MS)

Limitations

  • NA

Additional Information

FOR SLCH CORE LABORATORY USE ONLY

Lab Processing Instructions: Centrifuge specimen to separate and aliquot sample into a 5-mL screw-capped plastic vial for transport (labeling with specimen type).
Processed Volume: 1.0 mL (minimum 0.3 mL) serum or plasma

Transport Temperature: Frozen
Analyte Stability:

Specimen Type Temperature Time
Whole Blood (unprocessed)  Ambient NA
Plasma/Serum (processed) Refrigerated     24 hours
  Ambient  24 hours
  Frozen (preferred)    1 week    

NOTE:

  1. enter Medtox lab test code of '2023' in MayoAccess and indicate specimen type (serum or plasma).
  2. DO NOT Freeze/thaw specimen

 

Test Classification and CPT Code

82415

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

LOINC

NA

Last Reviewed

08/2025