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Test ID MTXSG Methotrexate Post Glucarpidase, Serum

Useful For

Monitoring methotrexate concentrations postglucarpidase therapy

Method Name

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Methotrexate Post Glucarpidase, S

Specimen Type

Serum


Shipping Instructions


Ship specimen in amber vial to protect from light.



Specimen Required


Supplies: Amber Frosted Tube, 5 mL (T192)

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Amber vial (T192)

Specimen Volume: 1 mL


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days LIGHT PROTECTED
  Frozen  14 days LIGHT PROTECTED
  Ambient  7 days LIGHT PROTECTED

Reference Values

Nontoxic drug concentration after 72 hours: <0.1 mcmol/L

Day(s) and Time(s) Performed

Monday through Sunday; Varies

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80299

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MTXSG Methotrexate Post Glucarpidase, S 56102-1

 

Result ID Test Result Name Result LOINC Value
62580 Methotrexate Post Glucarpidase, S 51602-1

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.