Send tube with full volume, unopened.

Test Code

Alias/See Also

CPT Codes

Preferred Specimen
1 mL whole blood

Transport Container
Plain green top on ice

Transport Temperature
Transport on ice

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly clotted, not on ice

Reference Range
newborn: 1.10-1.5 mmol/L;

1 day: 0.90-1.3 mmol/L;

2 day: 1.05-1.4mmol/L;

3 day - 6 day: 1.15-1.5 mmol/L;

6 day - 13y: 1.10-1.5 mmo;/L;

13y - adult: 1.12-1.3 mmol/L

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.