Serology

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 2 DAYS at 20-25°C │ Refrigerated: 14 DAYS at 2-8°C │ Frozen: 1 YEAR at -20°C

2ML Serum separator tube (sst/ gel) or plain (red top) vacutainer. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 1 day at 20-25°C │ Refrigerated: 3 days at 2-8°C │ Frozen: 1 months at -20°C

3ml of Serum in Gel or Plain vacutainer. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: 2 days at 20-25°C │ Refrigerated: 4 days at 2-8°C │ Frozen: 14 days at -20°C

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigrated ANALYTE STABILITY Room Temperature: 48 hours at 20-25°C │ Refrigerated: 14 days at 2-8°C| Frozen 1 year at -20°C

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigrated ANALYTE STABILITY Room Temperature: 48 hours at 20-25°C │ Refrigerated: 14 days at 2-8°C| Frozen 1 year at -20°C

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour. Test components: VCA IgG & IgM SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 2 DAYS at 20-25°C │ Refrigerated: 14 DAYS at 2-8°C │ Frozen: 1 YEAR at -20°C

A set of 3-4 SPECIAL TUBES is required [nil control/ TB antigen(s)/ mitogen control tubes; PREFERRED; contact lab]; if special tube set is unavailable, collection can be done in lithium heparin (green top) vacutainer (6mL MINIMUM) then later transferred to special set within 16 hours of collection. Transport/ handle the special tube set at room temperature (17-27℃; do not centrifuge or refrigerate). Heparin whole blood samples (where applicable) must be refrigerated. Promptly deliver to the lab. Components: Control results (nil tube, mitogen tube), TB antigen result/s and an overall interpretation.

Serum in plain tube (red top) or in a separation vial. Collect in pre-warmed tube and immediately place in container with a warm pack or water bath at 37 degrees C. Allow to clot at 37 degrees C in a waterbath/ incubator then centrifuge within 1 hour of collection, separate and label aliquot tube (sample type inclusive). SAMPLE MUST NOT BE REFRIGERATED UNTIL SERUM IS SEPARATED. AFTER SERUM IS SEPARATED, REFRIGERATE THE SAMPLE.

Serum 2ml, plain red-top tube or serum separator tube (SST). SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 48 hours at 20-25°C │ Refrigerated: 14 days at 2-8°C │ Frozen: 1 year at -20°C

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.