Hemoglobin A1c (A1C)

Department: Esoteric Chemistry
Test Synonym(s): LAB90, HGB A1C, Glycohemoglobin, A1C
CPT Codes: 83036
Methodology: HPLC
Reference Range: Diagnosis of Diabetes: Diabetic > 6.5 %, Pre-diabetic 5.7 - 6.4%, Non-diabetic less than/= 5.6%, Glycemic Targets for Type I and Type II Diabetics: Non-pregnant Adults less than 7.0 %, Pregnant Adults less than 6.0 %, Children and Adolescents less than 7.5%. Source: American Diabetes Association.
Tube Type: Lavender top (EDTA)
Specimen: Blood
Pediatric Requirements: Lavender top microtainer: 0.1 mL
Volume: 5.0 mL
Minimum Volume: 1 lavender top
Temperature: Refrigerate
Stability: Room temperature: 1 day; Refrigerated: 1 week
Days Performed: Daily
Times Performed: 8:00 a.m. - 2:00 p.m.
TAT: 1 day
Special Instructions: Lower linearity of <4.0.

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