Ammonia

Test Name

Ammonia

Alternate Description

Plasma Ammonia, NH3

Availability

24 hours a day, seven days a week

Lab Section

Chemistry

Fluid Type

Plasma

Specimen Tube Type Transport

Lavender on ice

Container Whole Blood Required

3 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 Name

Ammonia

Specimen Preparation Outreach

Specimens must be collected at University Physician's Center at the Hershey Medical Center Room 520

Specimen Stability

3 hours if refrigerated

Minimum Volume

0.5 ml whole blood in a Lavender Top Microtainer collected from either venous or arterial source

Specimen Transport

2 hours if received on ice

Specimen Preparation In House

Spin and refrigerate until analysis

Stat Availability

24 hours a day, seven days a week

Test Turnaround Time Routines And Stats

Stat and Routine 1 hour

Reference Value

M: 16-60 mmol/L; F 11-51 mmol/L

Additional Test Information

Draw from a stasis free vein. Must be received on ice