HEMOGLOBIN A1C

Synonyms: A1C Hemoglobin; HGB A1C
Computer Code: A1C
Specimen Collection: 5 mL blood (lavender top tube). Pediatrics: 0.25 mL blood (lavender microtainer).
Minimum Volume: 0.5 mL
Handling Instructions for Offsite Areas: Refrigerate.
Reference Values: Normal: 4.8 to 5.6% Prediabetes: 5.7 to 6.4% Diabetes: >=6.5% Glycemic control for adults with diabetes: <7.0% This test should not be used to diagnose diabetes in patients with malignancies or severe chronic hepatitis and renal disease or any condition that alters the life span of red blood cells, including transfusion.
Lab Code: CC
Requisition: C/H
Test Frequency: Mon-Fri
Routine TAT: Mon-Fri Days
Stat TAT:
CPT Code(s): 83036
LCD or NCD:
Methodology Used:
See Addendum XVII