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Hemoglobin A1C, screening-8761

Test info

Test name:

Hemoglobin A1C, screening

Test number:

8761

Excellian order number:

LAB8761

Abbreviation:

A1S

Alternate names:

Glycated hemoglobin
Glycated Hgb

Specimen

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

4.0 mL

Minimum volume:

1.0 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Processing instructions:

Submit tube unspun

Transport container:

Lavender (EDTA), 4mL

Transport and stability:

Refrigerated (preferred) - 14 days

Ambient - 24 hours

Reason for rejection:

Improper label (unlabeled or mislabeled)
Clotted specimen
Improper anticoagulant or ratio
Hemolysis
Delay in transport
Improper storage/transport temperature
- EDTA samples that have been frozen or spun may be used, but only use if no other specimen exists

Performance

Performing lab:

AHL - Hematology: H

Days set up:

Daily

TAT:

1 day

Method:

Ion Exchange High-Performance Liquid Chromatography (HPLC)

Clinical and Interpretive info

Reference ranges:

≤5.6%

>6.4% confirms diabetes
5.7% - 6.4% indicates prediabetes

Billing

CPT codes:

83036

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Tracking

Date created:

08/03/2011

Revised date:

04/09/2024

Review date:

01/12/2024