Hemoglobin A1c with Reflex to 1,5-Anhydroglucitol (1,5-AG)

Test Code

LAB5212041

Quest Code

10380

CPT Codes
83036

Includes

If Hemoglobin A1c is ≥6.5% and ≤8.0%, then 1,5-Anhydroglucitol (1,5-AG), Intermediate Glycemic Control will be performed at an additional charge (CPT code(s): 84378).

Preferred Specimen

Submit two separate specimens:
Whole blood from a full EDTA (lavender-top) tube and
1 mL serum from a serum separator tube (SST), received spun or red-top tube (no gel)

Minimum Volume

0.5 mL for each sample type

Other Acceptable Specimens

Preferred: Submit two separate specimens: Whole blood (1 full EDTA lavender-top tube) and 1 mL serum

Acceptable: Submit two separate specimens: Whole blood (1 full EDTA lavender-top tube) and 1 mL plasma collected in an EDTA (lavender-top) tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Sodium fluoride/oxalate (gray-top) tube • Heparinized plasma • Unspun serum separator tube

Methodology
Turbidimetric Inhibition Immunoassay

Setup Schedule

Set up: Daily; Report available: 1 day

Reference Range

<5.7 %

Clinical Significance

To assist with control of blood glucose levels, the American Diabetes Association (ADA) has recommended glycated hemoglobin testing (HbA1c) twice a year for patients with stable glycemia, and quarterly for patients with poor glucose control. Interpretative ranges are based on ADA guidelines.

Performing Laboratory
Quest Diagnostics Nichols Chantilly
14225 Newbrook Dr
Chantilly, VA 20151-2228

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.