Beta-2 microglobulin (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

SBMG

Test Code (Numeric Code)

3124

Laboratory Handling

Sample Stability

3 days at 15-25°C, 3 days at 2-8°C, 6 months at -20°C

Associated Tests

Synonyms

B2MG, B2 Microglobulin, B2

Turnaround Time

1 week

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Lithium Heparin PST- Gel (Light Green Cap)
  • Plain (Red Top)
Preferred Sample Volume (ml)

5

Minimum Sample Volume (ml)

3.5

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Plain (Red Top)
Acceptable
  • Lithium Heparin PST- Gel (Light Green Cap)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

0.5

Minimum Sample Volume (ml)

0.5

Additional Specimen Information

0.5 mL Paediatric Microtainer Plain Blood (Preferred)
0.5 mL Paediatric Microtainer PST Blood
0.5 mL Paediatric Microtainer SST Blood

Last updated: 23/07/2026