Ammonia

Test Code
LAB47


Preferred Specimen
Green(Lithium Heparin)


Instructions
Separate plasma from cells within 30 minutes of collection. Transport whole blood on ice immediately or 1 ml plasma.


Transport Temperature
inpatient: transport on ice to lab ASAP
outpatient: serate plasma from cells within 30 minutes
outside lab: specimens from outside the main lab need to be spun, seperated, and put on ice or sent unspun on ice within 30 minutes of collection


Specimen Stability
Whole blood: 30 mins
 Plasma: Ambient Unacceptable; Refrigerated 2 hours; Frozen 24 hours


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Sodium Heparin tube


Methodology
DxC 700 AU



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.