FOR TESTING GLUCOSE IN FRESH CAPILLARY WHOLE BLOOD. FAST, LESS THAN 4 SECOND TEST. FINGERTIP, PALM OR UPPER ARM TESTING.* COMPATIBLE WITH ACCU-CHEK GUIDE, ACCU-CHEK GUIDE LINK, ACCU-CHEK GUIDE ME. *CHECK WITH YOUR HEALTHCARE PROFESSIONAL BEFORE TESTING WITH BLOOD FROM SITES OTHER THAN YOUR FINGERTIP. REFER TO THE AST INFORMATION IN THE PACKAGE INSERT.