Test Name
Ammonia
Alternate DescriptionPlasma Ammonia, NH3
Availability24 hours a day, seven days a week
Lab Section
Chemistry
Fluid TypePlasma
Specimen Tube Type Transport
Lavender on ice
Container Whole Blood Required3 ml whole blood in Lavender Top on ice (Finger sticks and heel sticks not acceptable) Microtainers filled from a line are acceptable. Indicate on request form that this was a line draw.
Critical Value>100 umol/L
Summary Test NameAmmonia
Specimen Preparation OutreachSpecimens must be collected at University Physician's Center at the Hershey Medical Center Room 520
Specimen Stability3 hours if refrigerated
Minimum Volume0.5 ml whole blood in a Lavender Top Microtainer collected from either venous or arterial source
Specimen Transport2 hours if received on ice
Specimen Preparation In HouseSpin and refrigerate until analysis
Stat Availability24 hours a day, seven days a week
Test Turnaround Time Routines And StatsStat and Routine 1 hour
Reference ValueM: 16-60 mmol/L; F 11-51 mmol/L
Additional Test InformationDraw from a stasis free vein. Must be received on ice