CEFTRIAXONE (ROCEPHINŽ), BLOOD

Bioassay

 

Test Performed At:

 

 

Mayo Medical Laboratories to Focus  #90522

 

Specimen Required: 

 

 

Peak Specimen

 

 

Draw blood in a plain, red-top tube(s) only (serum gel-tube is NOT acceptable) Collect specimen within 15-30 minutes after completion of drug infusion for intravenous dose, or 45-60 minutes after an IM injection or 90 minutes after oral intake. DO NOT DRAW BLOOD THROUGH HEPARIN LINE.  Send 2.0 mL of whole blood.

 

 

NOTE:

1.

The concentrations of heparin in heparin infusions and in heparin locks may interfere with the assay.

 

 

 

2.

DATE AND TIME OF DRAW ARE REQUIRED ON REQUEST FORM FOR PROCESSING.

 

 

 

3.

Indicate peak on request form.

 

 

 

4.

Label specimen appropriately (peak).

 

 

 

 

Trough Specimen

 

 

Draw blood in a plain, red-top tube(s) only (serum gel-tube is NOT acceptable) Collect specimen just before or within 15 minutes of the next dose for trough specimen. DO NOT DRAW BLOOD THROUGH HEPARIN LINE.  Send 2.0 mL of whole blood.

 

 

NOTE:

1.

The concentrations of heparin in heparin infusions and in heparin locks may interfere with the assay.

 

 

 

2.

DATE AND TIME OF DRAW ARE REQUIRED ON REQUEST FORM FOR PROCESSING.

 

 

 

3.

Indicate trough on request form.

 

 

 

4.

Label specimen appropriately (trough).

 

 

 

 

 

Random Specimen

 

 

Draw blood in a plain, red-top tube(s). (serum gel tube is NOT acceptable). DO NOT DRAW BLOOD THROUGH HEPARIN LINE.  Send 2.0 mL of whole blood.

 

 

NOTE:

1.

The concentrations of heparin in heparin infusions and in heparin locks may interfere with the assay.

 

 

 

2.

DATE AND TIME OF DRAW ARE REQUIRED ON REQUEST FORM FOR PROCESSING.

 

 

 

3.

Indicate random on request form.

 

 

 

4.

Label specimen appropriately (random).

 

Laboratory Notes:

 

 

Spin, separate and send 1.0 mL of serum frozen.

 

 

NOTE:

1.

Label specimen appropriately (peak, trough or random).

 

 

 

2.

Focus test code is #51830

 

Reference Values:

 

 

Peak:

50-150 mcg/mL

 

 

Trough:

5-50 mcg/mL

 

Day(s) Test Set Up:

 

 

Monday - Friday

 

Cut-Off Time:

 

 

 

 

Turn Around Time:

 

 

4-7 days

 

CPT Code:

 

 

80299

 

Care Manager Order Name:

 

 

Ceftriaxone, ONCE RTN

 

Cerner Order Name:

 

 

Ceftriaxone

 

 Last Updated 01/08