Ammonia

Synonyms

  • AMMONIA
  • LAB47
  • NH3
  • NH4

Cerner Name

Ammonia, Blood

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

Container

Lavender Top Tube

Collection Instructions

Specimen should be analyzed within 30 minutes of draw.
Container/Tube: Lavender top EDTA tube
Specimen: 1mL EDTA plasma ( 1 lavender microtainer for pediatric draws)
Transport Temperature: Frozen
Stability: Room Temperature (plasma or whole blood) Unacceptable
Refrigerated 2 Hours
Frozen Plasma 3 Weeks

Draw blood in a lavender-top (EDTA) tube(s). Spin down, separate plasma from cells, immediately freeze 1 mL of EDTA plasma in plastic vial.

Transport Instructions

Frozen

Specimen Stability

Room Temperature (plasma or whole blood) Unacceptable
Refrigerated 2 Hours
Frozen Plasma 3 Weeks

Methodology

Enzymatic with glutamate dehydrogenase

Days Performed

Monday through Sunday

Performing Laboratories

Northwell Health Laboratories

CPT

82140

PDM

5300370

Results
Component Name Base Name Common Name External Name
AMMONIA, SERUM AMMONIA AMMONIA Ammonia, Blood

Result Interpretation

11.0 - 55.0  µmol/L
Ammonia increases rapidly due to degradation of serum proteins. Elevated results should be interpreted with caution and repeat testing considered.

Forms
Chemistry LAB47 build edit