ISSN 2398-2993      

Blood tubes: overview

obovis

Synonym(s): vacutainers, tubes, potassium, EDTA, sodium citrate, plain gel, heparin


Blood tubes and their uses in veterinary diagnostics

  • Blood collection tubes should ideally be filled in a specific sequence, in an effort to minimize or eliminate contamination and possible erroneous test results.
  • When collecting specimen, allow tubes to be filled to the required level to allow for specimen/additive ratio necessary for accurate results:
    • Not applicable to serum tubes.
  • Always invert tubes gently and adequately immediately after specimen collection to ensure that the latter is properly mix with the additive.
  • Blood tubes are color coded for specific diagnostic test procedures based on the specific anticoagulant or additive in the tubes:
    • Color coding varies between laboratories.

Sodium citrate tubes

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Heparin tubes

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Plain tubes

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Serum separator tube

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EDTA tubes

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Potassium oxalate and sodium fluoride

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Sodium polyethanol sulfonate

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Bowen R A & Remaley A T (2014) Interferences from blood collection tube components on clinical chemistry assays. Biochemia Medica 24 (1), 31-44 doi.org/10.11613/BM.2014.006 PubMed.

Other sources of information

  • Aspinall R & Aspinall V (2013) Clinical Procedures. In: Small Animal Veterinary Practice. Elsevier Ltd
  • Blood collection tubes and labelling guide - Animal health diagnostic centre.
  • Vetlab supplies - specialists in veterinary laboratory supplies, West Sussex, UK.
  • IDEXX Reference Laboratories. Sampling guide: http://www.idexx.co.uk accessed May 2018.

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