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Vancomycin, Peak, Plasma or Serum

Performing Laboratory

Providence Alaska Medical Center

Methodology

EMIT

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Plasma

Draw blood in a light green-top (lithium heparin gel) tube(s). Spin down, separate plasma from cells, and send 1 mL (minimum volume:  0.3 mL) of lithium heparin plasma refrigerated. Plasma for an intravenous peak level should be drawn 2 hours after a 1-hour infusion.

Note:  1. Include date and time of last dose and draw time on request form for processing.

2. Specimen is stable for 48 hours refrigerated.

3. Indicate plasma on request form.

4. Label specimen appropriately (plasma).

 

Alternate:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down, separate serum from cells, and send 1 mL (minimum volume:  0.3 mL) of serum refrigerated. Serum for an intravenous peak level should be drawn 2 hours after a 1-hour infusion.

Note:  1. Include date and time of last dose and draw time on request form for processing.

2. Specimen is stable for 48 hours refrigerated.

3. Indicate serum on request form.

4. Label specimen appropriately (serum).

Reference Values

20-40 µg/mL

Critical value (laboratory will call results):  >80.0 µg/mL

Stability

Room temp: 8 hours

Refrigerated: 4 days

Frozen: 2 months

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

80202

ETA

Estimated turnaround time 35 min