Test Schedule
Lab Lab section Days Turnaround
WADDL - Pullman Toxicology Mon-Fri 5-7 Business days
Price: $20.00
Quantitation of nitrate within a specimen. 

Please note to add a $4.00 fee for drying/grinding on feed specimens.

Specimens Required
Preferred sample type:
  • Serum (1-5 mL)
  • Plasma (1-5 mL)
  • Ocular Fluid (entire intact eye)
Other acceptable samples:
  • Feed (100 g of representative sample)
Sampling Requirements
Samples should be chilled or frozen and sent with ice pack. 

For additional information on how to collect and submit a sample please visit our Submit a Sample page.
Collection Container
  1. Serum- acceptable tube types
    • Red Top Tube (without additives)
    • Serum Separator Tube (without additives)
    • Royal Blue Trace Element Tube (without additives)
  2. Plasma- Spun using one of the following acceptable tubes before being poured into any sterile tube for transport. 
    • Lavender Top Tube (with EDTA additive)
    • Blue Top Tube (with K2EDTA additive)
    • Green Top Tube (with heparin additive)
  3. Ocular Fluid and Feed-
    • a sterile, leak-proof container or bag 
Packing Instructions
Label sample container/tube with corresponding name identifier. 

For additional information, please visit our Packing and Shipping page.
Special Instructions
For more specific sample collection guidelines please see our Submit A Sample webpage. 
Ordering Instructions
For online test ordering please visit our Submit a Sample page for additional information. To submit a specimen without submitting through our online portal please see our Forms page for fillable forms and further instruction.
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