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Blood Venous

Venous Blood Collection

Check Your Kit Instructions
Some samples require centrifuging. Bring your kit instructions to your phlebotomy appointment and share them with your phlebotomist.

1. Draw Your Blood

  • Use the SST yellow-top vial provided.

  • Minimum 5 ml per vial.

  • Invert the vial 8–10 times to mix the contents. Only do this process if your instructions advise you to.

If a centrifuge is not available:

  • Send the sample immediately. Must reach the lab within 24 hours, for Cyrex tests only.  All other bloods please follow your test kit instructions.

If a centrifuge is available:

  • Let the SST vial stand 20 minutes before centrifuging.

  • Centrifuge to separate serum:

    • Swing-arm: 10 min at 3000 rpm

    • Fixed-angle rotor: 15 min at 3500 rpm

    • Aim for ~2000 × g

  • Transfer minimum 2 ml of serum to the aliquot tube.

  • Ensure all relevant info is on the tube.

Labelling Your Sample

  • Apply the provided label and mark the collection date.

  • If no label, write full name, date of birth, and collection date.

  • Ensure the information matches the requisition form.

✅ Checklist

  • ✅ Correct vial used

  • ✅ Minimum 5 ml collected per vial

  • ✅ Vial inverted 8–10 times

  • ✅ Kit instructions shared with phlebotomist

  • ✅ Serum transferred if centrifuged

  • ✅ Vial labelled correctly