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ORDER OF DRAW
TUBE COLORS AND TESTS
Term | Definition |
---|---|
YELLOW TOP TUBE CONTAINING SPS | USED IN MICROBIOLOGY FOR BLOOD CULTURES |
LIGHT BLUE TUBE WITH SODIUM CITRATE | USED IN COAGULATION STUDIES, MUST HAVE A 9:1 RATIO, FULL TUBE ,TESTS INCLUDE PT, PTT, D-DIMER, aPTT |
PLAIN RED TOP TUBE, NO ADDITIVES | BLOOD IS ALLOWED TO CLOT, SERUM IS USED FOR TESTING PURPOSES. USUALLY TEST FOR MEDICATIONS EX. THEOPHYLLINE |
GOLD OR RED AND BLACK SST TUBES CONTAINING THIXOTROPIC GEL | AFTER BLOOD IS SPUN DONE SERUM IS USED FOR TESTING. MOSTLY CHEMISTRY TESTS ARE DONE. EX. CMP, LIPD, TSH |
GREEN TOP TUBE, ADDITIVES MAY BE LITHIUM, SODIUM OR AMMONIA HEPARIN | TEST DEPENDS ON THE ADDITIVE. TEST FOR AMMONIA IS A STAT AND MUST BE KEPT ON SLUSHY ICE UNTIL TEST PERFORMED LA |
LAVENDER TOP TUBE WITH ADDITIVE EDTA | TESTING IN HEMATOLOGY, EX. CBC, HGB, HCT, SED RATE (ESR), GLYCOHEMOGLOBIN A1C |
GRAY TOP TUBE WITH ADDITIVES POTASSIUM OXALATE, AND SODIUM FLUORIDE | TUBE USED FOR TESTING GLUCOSE AND ETOH. DO NOT PREPARE SKIN USING ALCOHOL WHEN TESTING ETOH |