Some tests accept untreated blood. Collection must be performed by a trained veterinary professional.
Confirm the selected test accepts a dry tube.
Use the test-specific tube and requested volume.
Label the tube immediately at collection.
Follow the stated clotting and transport instructions.
Do not substitute an EDTA tube without confirmation.
The product page controls the accepted sample, volume, handling window and return instructions.
Do not substitute a tube or sample type without confirming suitability.