Full Blood Examination (FBE) - Companion Animals

The full blood examination (FBE) includes:

  • Red cell indices
    • haematocrit (HCT)
    • haemoglobin (Hb)
    • red blood cell count (RBC)
    • mean corpuscular volume (MCV)
    • mean corpuscular haemoglobin (MCH)
    • mean corpuscular haemoglobin concentration (MCHC)
    • reticulocytes if anaemia is present
  • White blood cell count (WBC)
  • WBC differential
  • Smear examination by our experienced veterinary haematologists
    • manual WBC differential and morphology
    • assessment of RBC morphology
    • descriptions of any abnormalities
    • examination for blood parasites
    • automated and manual platelet assessment
    • review of abnormal films by a veterinary pathologist where necessary


Canine, Feline


Whole blood, blood smear


EDTA (minimum 2 ml)

Collection protocol:

Mix blood and anticoagulant gently and as soon as possible to prevent clotting. Make and air dry a blood smear as soon as possible to prevent artefactual changes occurring in the RBCs and WBCs.

Special handling/shipping requirements:

Keep chilled and transport to the laboratory as soon as possible. Do not refrigerate smears.