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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
Serum Refrigerated (preferred) 7 days
  Frozen  14 days
  Ambient  7 days

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.