Mercaptopurine and Metabolites, Blood

Test Code

13693

CPT Codes
80299

Includes

6-Mercaptopurine
6-Thioguanine
6-Methylmercaptopurine

Preferred Specimen

1 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume

0.4 mL

Transport Container

EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 21 days
Refrigerated: 30 days
Frozen: 2 years

Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

FDA Status
This test was developed and its performance characteristics determined by NMS labs. It has not been cleared or approved by the US Food and Drug Administration.

This test code is for New York patient testing. For non-New York patient testing, see test code 91745.

Setup Schedule

Varies

Report Available

9 days

Reference Range

6-Mercaptopurine	Not detected
6-Thioguanine	Not detected
6-Methylmercaptopurine	Not detected

Performing Laboratory

NMS Labs

200 Welsh Road

Horsham, PA 19044

Last Updated: November 6, 2024

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.