Method Name



Ammonia; NH4, Ammonia

Specimen Required

one green top tube. Immediately place on ice and deliver to the Laboratory.

Specimen Minimum Volume

1.0 mL of blood

Specimen Stability Information

Place the green top tube on ice and immediately deliver to the Laboratory. Must be received within 20 minutes of collection. Should not be collected at outreach locations.

Performing Laboratory

As ordered. Turn around time is 4 hours.

Reference Values

11 – 32 umol/L