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Laboratory Test Directory

HLA B27

Components

Name Method Department Units
HLA B27 Flow cytometry
Send Out

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

4 mL 4 mL
Alternate

Green tube (Lithium heparin), No Gel

6 mL 4 mL
Alternate

Green tube (Sodium heparin), No Gel

6 mL 4 mL
Stability

Room temperature - 72 hour(s)

Specimen Preparation

  • Do not centrifuge
  • Mix by gentle inversion immediately after collection
  • Do not refrigerate
  • Do not freeze
  • Keep at room temperature
  • Transport to the lab immediately after collection

Reasons for Rejection

  • Clotted specimen
  • Collected in tube with gel separator
  • Wrong collection tube
  • Hemolyzed specimen
  • Refrigerated specimen
  • Frozen specimen
  • Not received within specified time frame

Comments

Friday collections must reach the Sendout Lab by 2 pm. Do not collect samples on weekends or holidays.

CPT Code

  • 86812