At LabCorp, Hemoglobin (Hb) A1c is drawn in a Lavender-top (EDTA) tube, green-top (lithium heparin) tube, or gray-top (sodium fluoride) tube, order code 001453.

LabCorp collection requirements

Hemoglobin (Hb) A1c tube and order code at LabCorp

Primary tube

Lavender-top (EDTA) tube, green-top (lithium heparin) tube, or gray-top (sodium fluoride) tube

Order code

001453

Minimum volume

0.5 mL (Note: This volume does not allow for repeat testing.)