T-SPOT(R).TB

T-SPOT

EPIC Test Procedure Code: LAB2445

Synonyms:
T SPOT
Performing Lab:
Referral Laboratory
Container Type:
Lithium heparin (green-top) 9 mL tube (NO GEL)
Specimen Type:

Whole Blood

Preferred Volume:
9 mL
Alternate Specimens:
Sodium heparin (green-top) tube (NO GEL)
Minimum Volume:
6 mL - Adults and children 10 or older
4 mL - children 2-9 years
2 mL - children <2 years
9 mL - Immunocompromised individuals
Collection Procedure:

Use 9 mL Greiner Lithium Heparin Green top
NO gel tubes!
All locations can collect samples Monday-Thursday.  
Fridays have limited hours of collection as samples must reach Reference Lab by 16:00. 
For Plaza: Friday samples should be collected prior to 15:00. 
For other Metro: Friday samples should be collected before noon. 
Critical Access (Hedrick, Wright, Anderson, Allen): NO collections on Fridays.

DO NOT COLLECT ON SATURDAY OR SUNDAY!

Holiday collections: Don't collect on a holiday. Do not collect the day before a holiday.

Quest T-Spot 2023 Holiday Schedule

Specimen Processing:

Do NOT centrifuge
Strict ambient specimen – do NOT refrigerate; do NOT freeze
Time sensitive sample – must arrive in Reference Lab promptly

Store and Transport:
Room Temperature
Stability:

Room Temperature: Must be to Memphis within 54 hours of collection
Refrigerated - Unacceptable
Frozen - Unacceptable

CPT Codes:

86481 - T-SPOT.TB (TB Antigen Response Gamma Interferon T-Cell Susp) (EAP 30247993)

Method:
Enzyme-Linked Immunosorbent (ELISPOT) Assay

Lab Personnel

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