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Heinz Body, Blood - RGH-Pasqua/Saskatoon

Discipline

Hematology

Overview

Alias

  • Denatured hemoglobin

  • Heinz Bodies

  • Heinz Body Stain

Specimen Information

Specimen types accepted

  • Whole Blood​

Specimen collection container

Collection procedure

  • Deliver to Hematology promptly after collection to be incubated at 37ºC as soon as possible

Required volume

  • Optimal volume: 4.0 mL

  • Minimum volume:
    • 1.0 mL K2 EDTA (RGH-Pasqua/Saskatoon)
    • 0.2 mls K2 EDTA in a Microtainer (RGH/Pasqua)
  • Pediatric volume: 1.0 mL (Saskatoon)

(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.) 

Transport and stability

  • Specimen should optimally be fresh (within 1 hour of collection) for procedure

  • Specimen cannot be more than 24 hours old

Rejection criteria

Performance

Methodology

  • Brilliant Cresyl Blue

Days/times performed

RGH/Pasqua
  • Testing is performed at RGH only
  • Mon –Friday days only 07:30 -16:00

Saskatoon
  • RUH Hematology
  • Collect specimens Monday to Friday between 07:30 – 16:00 (excluding RUH Bank Day or Stat holiday)
  • Urgent requests outside these hours should be communicated to the Hematopathologist on service

Maximum laboratory time

RGH/Pasqua
  • Specimens must be processed within 24hrs
Saskatoon
  • 24 to 72 hours (if over weekend)

Specimen retention time

Saskatoon
  • 48 hours

Last Updated: November 26, 2024