Lapis ISSN 2398-2969

Hematology: leukocyte (WBC)

Synonym(s): WBC

Contributor(s): Michael Waters, Molly Varga, Vetstream Ltd

Overview

Sampling

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Tests

Methodologies

  • Manual hemocytometer: accuracy +/- 20%.
  • Electronic counting systems: accuracy +/- 3-5%.
  • QBC-V hematology system.
  • Automated differentials provide useful information but are not an alternative to blood smear evaluation.

Availability

  • All commercial laboratories and selected practices.

Validity

Sensitivity

  • Sensitive.

Specificity

  • Non-specific.

Predictive value

  • Useful if used in conjunction with differential white blood cell counts.

Technique (intrinsic) limitations

  • Leukocyte counts cannot provide a specific diagnosis in isolation.

Technician (extrinsic) limitations

  • Repeatability.
  • Level of skill.

Result Data

This article is available in full to registered subscribers

Sign up now to purchase a 30 day trial, or Login

Further Reading

Publications

Refereed papers

  • Recent references fromPubMed.

Other sources of information

  • Campbell T W & Ellis C K (2007)Avian and Exotic Hematology and Cytology.3rd edn. Wiley-Blackwell. ISBN: 978-0813818115.
  • Feldman B F, Zinkl  J G & Jain N C (2000) EdsSchalm's Veterinary Hematology. 5th edn. Lippincott, Williams & Wilkins, Baltimore, USA.
  • Fudge A M (1999)Laboratory Medicine. Avian and Exotic Pets.W B Saunders Co. ISBN: 0721 676 790.


ADDED