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Test Code TBBLD TB Cellular Blood Test (TSpot)

Collection Container

Green top (sodium or lithium heparin)

Specimen Required

Whole blood

Specimen Volume

8 mL

Minimum Specimen Volume

Adults and children >10 yr: 8 mL Children 2-9 yr: 4 mL Children <2 yr: 2 mL

Special Handling Instructions

Testing available 24/7. Send sample to the Referral Lab at Whitney Ave as quickly as possible due to specimen stability.

Transport Temperature

Room temperature

Reasons for Rejection

Refrigerated sample, delay in transport to the Referral Lab

Turnaround Time

2-3 days

Additional Information

Testing referred to Oxford Diagnostic Laboratories.