Thiopurine Metabolites (6-TG, 6-MMP)
Order Name
Thiopurine Met
Test Number: 6900571
Revision Date 12/12/2022
Test Number: 6900571
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
6-Thioguanine
|
Quantitative Liquid Chromatography/Tandem Mass Spectrometry | 32660-3 |
|
6-Methylmercaptopurine
|
Quantitative Liquid Chromatography/Tandem Mass Spectrometry | 32654-6 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 3 mL (1 mL .) | Whole Blood | EDTA (Lavender Top) | Refrigerated |
| Instructions | Notes: 1 mL (Note: This volume Does NOT allow for repeat testing). Specimen Type: Lavender-top (EDTA) tube Specimen Storage: Refrigerate Stability: Room temperature up to 1 day Refrigerated up to 8 days Frozen unstable Specimen Collection: Collect blood in lavender-top (EDTA) tube only. Gently invert to mix. Submit whole blood refrigerated. Do not separate specimen. Do not freeze. Special Instructions: **Testing is performed at Esoterix Endocrinology Laboratory ES#803800 **This test includes Serial Monitoring** Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: Not Available |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 6 - 12 days |
| Performing Labcorp Test Code | 503800 |
| Notes | Whole blood washing and red blood cell harvesting/counting. Liquid chromatography/tandem mass spectrometry (LC/MS-MS) after acidic hydrolysis ?Labcorp Test Code: 503800 |
| CPT Code(s) | 80299 x2 (G0480) |
| Lab Section | Reference Lab |