Verapamil
| Abbrev Code: | XMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Synonyms: | Verelan; Isoptin; Calan | ||
| Methodology: | Gas chromatography | ||
| CPT Codes: | 80375 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 7 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 6 mL |
| Minimum\Peds Volume: | 2.6 mL Does not permit repeat analysis. |
| Container: | Red (no gel) Alternate Containers: Green (sodium heparin, no gel) |
| Collection Instructions: | Trough levels are the most reproducible. |
| Causes for Rejection: | Collection in a polymer gel tube. |
Processing and Shipping
| Specimen Processing: | Centrifuge within 1 hour of collection and aliquot 3 mL, 1.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Samples are stable up to 14 days at room temperature; 30 days refrigerated and 18 months frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (National Medical Services via ARUP) |
| Referral Lab number: | 4770SP |
Interpretive
| Reference Range: |
70-350 ng/mL
|
| Use: | Monitor therapeutic levels; evaluate toxicity. |
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