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Help6-Methyl-Mercaptopurine Group
Additional Codes
6MP
Clinical System Name
6-Methyl-Mercaptopurine Group
Sample Requirements
Specimen: Whole Blood
Container(s): Lavender/EDTA
Preferred Vol: 5.0 mL
Minimum Vol: 2.5 mL
Processing Instructions
Reject due to: Hemolysis, heparin whole blood, or received frozen.
Spin: N
Aliquot: N
Temp: 2 - 8 C
Storage Location: Deliver specimen to the CPA refrigerator, Send Outs rack.
Off-site Collection: Transport refrigerated.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood | Room Temp | 24 h |
| Refrigerated | 7 d | |
| Frozen | Unacceptable |
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130
Phone Number: (800) 553-5445
Department
Department: Send Outs
Phone Number: (206) 987-2563
Synonyms
6-Methylmercaptopurine (6-MMP); 6-MP; 6-Thioguanine (6-TG); AZA
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | T - Sa | 4 - 6 d |
Methodology
Method: Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Analytical Volume: 2.5 mL
Limitations:
Reference Range
| 6-TG | 235-400 pmol/8x10(8) RBC |
| 6-MMP | <5700 pmol/8x10(8) RBC |
CPT Codes
80375
Send Out Instructions
| Reference Test Name: |
Thiopurine Metabolites |
| Reference Lab Test Code: | |
| Instructions: |
Send out Monday through Friday with the Quest courier. |