Stanbio QuStick Strep A Rapid Strip Test 6000-050. Stanbio's QuStick Strep A rapid test detects many tough cases others miss. Early diagnosis of Strep A infection means more cost-effective treatment and increased patient satisfaction. Features enhanced Sensitivity (Low Counts) 97% sensitivity compared to culture. Superior Culture Classification 91% @ Rare (< 5 colonies) 100% @ 1+ (< 10 colonies). Easy-to-Use and CLIA waived. Kit includes everything you need. Fast Positive results may be seen in as little as 30 seconds. 50TESTS/BX. Priced per box.