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Test Code 6MP 6-Methyl-Mercaptopurine Group

Clinical System Name

6-Methyl-Mercaptopurine Group

Synonyms

6-Methylmercaptopurine (6-MMP)

6-MP

6-Thioguanine (6-TG)

AZA

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA

Preferred Vol: 5 mL

Minimum Vol: 2.5 mL

 

Note:

 

Processing Instructions

Reject due to: Frozen, hemolysis

Spin: N

Aliquot: N

Temp: 2 - 4 C

Storage location: Do not spin. Do not freeze. Refrigerate whole blood in CPA refrigerator Send Outs rack.

 

 

Off-site collection:

Stability

Specimen Type Temperature Time
Whole blood Room temp  24 h
  Refrigerated  5 d
  Frozen Unacceptable

 

Availability

STAT Performed TAT
N T - Sa 2 - 4 d

 

Performing Laboratory

Quest Diagnostics Valencia Nichols Institute

27027 Tourney Road

Valencia, CA 91355-5386

 

Phone Number: (866) 697-8378

Department

Department: Send Outs

 

Phone Number: (206) 987-2563

 

 

Reference Range

 

Metabolite

Ref Range

Unit

6-TG

235 - 400

pmole/8 x 10(8) RBC

6-MMP

<5700

pmole/8 x 10(8) RBC

Interpretive report provided.

 

Methodology

Method: Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Analytical Volume: 2.5 mL

Limitations:

CPT Codes

80375

Send Out Instructions

 

Reference Test Name:

Thiopurine Metabolites

Reference Test Number:

91745

Instructions:

Send out Mon - Fri with Quest courier.