Thiopurine Drug Metabolites

Label Mnemonic:	PROIM
Epic code:	LAB3909
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Whole Blood

Collection Medium:

Pink top tube 6 mL (K2-EDTA)

Minimum:

Preferred Minimum: 5 mL EDTA whole blood
Absolute Minimum: 2.0 mL EDTA whole blood

Rejection Criteria:

Hemolyzed specimens.

Turn Around Time:

3 business days from receipt at reference laboratory

Reference Range:

6-MMPN, Quantitative HPLC    <57 pmole/8X10⁸ RBC
6-TGN, Quantitative HPLC     230 - 400 pmole/8X10⁸ RBC

Methodology:

High Pressure Liquid Chromatography (HPLC)

CPT Code:

82542