Notify laboratory prior to collection. Bring to lab immediately after collection; do not send via tube system.

Test Code

Preferred Specimen
Light blue top tube and dark green top (sodium heparin) tube

Minimum Volume
Test requires one full blue top tube and 2.5 mL minimum in dark green top tube.

Mix by gentle inversion 3 times. Avoid collecting from IV lines or arterial lines, as they may become contaminated. If unavoidable, the IV must be turned off at least 2 minutes and a minimum of 5 mL of blood drawn as a discard prior to collection. Central lines containing heparin must be flushed with 5 mL of saline and then 5 mL of blood must be discarded. If applicable, indicate sample type on the label (baseline, on pump, etc.).

Transport Temperature
Room temperature only

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Inadequate volume, clotted, gross hemolysis, refrigerated, centrifuged, received in lab greater than 2 hours after collection

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.