Test List

Click the links below to find more information:


University Heart Grand OpeningMatch DayTomorrow. Every Day.The Manning Family Fund for a Healthier Mississippi
  • Ammonia

    Test Name:Ammonia  
    Epic Order Code:LAB47  
    CPT Code:82140  
    Specimen(s) Type:Plasma  
    Acceptable Container(s):
    Testing Schedule:24 hrs/day, 7 days/week
    Turn Around Time:STAT: 1 hour
     Routine: 2 hours
    Collection Information:No special patient preparation is required. Obtain by standard collection procedures. Fill tube completely and keep tightly stoppered. Place on ice immediately.
    Transport Information:Deliver to lab immediately on ice. All specimens must be signed into the laboratory.
    Reference Clients:If unable to deliver to the lab within 20 minutes, centrifuge the specimen and remove plasma from the red cells. Keep container tightly capped. Store and transport at -20° C. Specimen must be received in the lab within 24 hours.
    Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport.
    Reference Range:Males:16-60 μmol/L 
     Females:11-51 μmol/L  
    Additional Information:One known source of spontaneous ammonia formation is an increased gamma-glutamyltransferase activity leading to decomposition of glutamine.