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Utah Public Health Laboratory

TB Quantiferon

Fee: Please refer to fee schedule

Ordering Recommendation



Monday, Thursday


Enzyme-linked Immunosorbent Assay (ELISA)


1-5 Days

Specimen Required

  • Collect: High-altitude tubes made by the manufacturer (Cellestis) and supplied by Utah Public Health Lab. Must draw 1 Nil, 1 Mitogen and 1 Antigen tube per patient.
  • Specimen Preparation: Fill tubes with blood precisely to the black mark. Shake immediately and vigorously 10 times after filling
  • Storage/Transport Conditions: Send to the laboratory with accompanying paperwork within 14 hours of collection at room temperature.
  • Unacceptable Conditions: Frozen
  • Remarks: Sample must be labeled with patient's full name or unique ID number, and collection date.


Negative, indeterminate, or positive

Interpretive Data




Cross References