*** This is a short stability test and requires special handling. ***
Draw Monday - Thursday only Test is an indirect test for M. tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography and other medical and diagnostic evaluations. ** Only Orderable for Northwell Hospitals (RRL's) **
Specimen Type
Blood
Container
Requires Special Lithium Heparin(Green) Greiner 9 mL tube- Whole Blood or Sodium Heparin Greiner tube or Dark Green Sodium Heparin tube)
Adults and children ≥10 years: 6 mL whole blood collected in a Greiner 9 mL lithium heparin (green-top) tube (6 mL min) Pediatric 2-9 years of age: 4 mL whole blood collected in a Greiner 9 mL lithium heparin (green-top) tube(4 mL min) Pediatric <2 years of age: 2 mL whole blood collected in a Greiner 9 mL lithium heparin (green-top) tube( 2 mL min) Immunocompromised individuals Adults and children ≥10 years: 9 mL whole blood collected in a Greiner 9 mL lithium heparin (green-top) tube (9 mL min) Collect blood by venipuncture into a provided Greiner 9 mL lithium heparin (green-top) tube. The tube contents must be inverted (8-10 times) to ensure that the whole blood is mixed thoroughly with the anticoagulant. Date and time of draw are required and must be provided.
Transport Instructions
Room Temperature
Specimen Stability
54 Hours Room Temperature Unacceptable Refrigerated Unacceptable Frozen
