Mercaptopurine, Serum or Plasma

CPT: 80299
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Synonyms

  • Purinethol®
  • Purixan®

Expected Turnaround Time

10 - 14 days


Specimen Requirements


Specimen

Serum or plasma


Volume

2 mL


Minimum Volume

0.5 mL


Container

Red-top tube or green-top (heparin) tube. Gel-barrier tubes are not recommended.


Collection

Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.


Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.


Patient Preparation

Trough levels are most reproducible.


Test Details


Methodology

High-pressure liquid chromatography with ultraviolet detection (HPLC-UV)


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
808377 Mercaptopurine (6-MP,Purin.) 11242-5 808372 6-Mercaptopurine ng/ml 11242-5

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