When performing a routine venipuncture in which you are collecting a serum separator tube for immunology, a green top tube for chemistry, a blue top tube for coagulation, and a lavender top tube for hematology, which tube should be collected first?

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When performing a routine venipuncture in which you are collecting a serum separator tube for immunology, a green top tube for chemistry, a blue top tube for coagulation, and a lavender top tube for hematology, which tube should be collected first?

Please select the single best answer