Antibiotic Level, Nafcillin
| Abbrev Code: | ARMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Methodology: | Bioassay | ||
| CPT Codes: | 80299 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-3 days. | ||
| Special Instructions: | Include time and date of collection, time of last dose, and list of all antibiotics that the patient is receiving or has received in the past 48 hours. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 2.2 mL |
| Container: | Red (no gel) |
Processing and Shipping
| Specimen Processing: | Within 2 hours of collection centrifuge and aseptically aliquot 2 mL, 1 mL minimum, into a sterile tube. Freeze immediately. |
| Shipping Instructions: | Ship on dry ice. |
| Stability: | 2 hours at room temperature; 24 hours refrigerated; 1 week frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 60843 |
Interpretive
| Reference Range: | Normal peak serum concentration for nafcillin is 7.7 ug/mL with a 1 g PO dose, 7.6 ug/mL with a 500 mg IV dose. Trough serum concentration is not well established. |
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