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Thiopurine Methyltransferase, RBC
| Item | Value | ||||||
|---|---|---|---|---|---|---|---|
| Approval req'd? | No | ||||||
| Available Stat? | No | ||||||
| Test code | MOLT | ||||||
| Performed by | Prometheus via Mayo | ||||||
| Sendout? | Yes | ||||||
| Method | High performance Liquid Chromatography | ||||||
| Collection Instructions | Samples may be collected Monday-Friday. | ||||||
| Container type | Lavender top | ||||||
| Amount to Collect | 5 mL blood | ||||||
| Sample type | EDTA whole blood | ||||||
| Preferred volume | 5 mL blood | ||||||
| Min. Volume | 3.5 mL blood | ||||||
| UCSF Rejection Criteria | Samples collected outside of stated time frames | ||||||
| Processing notes | Refrigerate whole blood. Do not freeze. Ship refrigerated. | ||||||
| Units | Enzyme Units (EU) | ||||||
| Normal range |
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| Synonyms | TPMT; myelotoxicity; TPMT enzyme | ||||||
| Stability | Room temperature 1 day, refrigerated 7 days. | ||||||
| Turn around times | 5-7 days | ||||||
| CPT coding | 82491, 82657 | ||||||
| LOINC code | 21563-2 | ||||||
| Last Updated | 3/19/2012 12:20:49 PM | ||||||
| Entry Number | 1128 |
If you have additional questions regarding this test, please call: 415-353-1667