Red top lavender top(k2 EDTA)
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The color of the test tube for A1C testing can vary, but it is commonly purple or lavender in color. This color helps to indicate the specific type of test being performed.
A hemoglobin A1c test is typically drawn in a lavender-top tube, which contains EDTA as an anticoagulant. This tube is specifically designed for collecting whole blood for tests that require EDTA for anti-coagulation.
The color tube that may be used for a lipid panel test is typically a red or gold/tiger top tube. However, it's essential to check the specific requirements of the laboratory where the test will be conducted, as tube color conventions can vary.
The test tube for BUN (Blood Urea Nitrogen) is typically light green or gray.
An HIV test is done in either an SST or red-top tube. It is NOT done in a royal blue tube. An HIV test submitted in a royal blue tube will be rejected.
A purple or lavender-colored top tube with EDTA anticoagulant is typically used for collecting samples for a shingles test.