Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

HEMOGLOBIN A1C

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2415         Geisinger Epic ID: 32306

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
4 mL lavender-top (K2 EDTA) tube
Specimen required:
2.5 mL; minimum 1 mL.
Special notes:
Separate tube(s) required. Microcollection tubes are not acceptable.

SPECIMEN PROCESSING
Specimen processing instructions:
Do not centrifuge or freeze. 
Transport temperature:
Refrigerated.
Specimen stability:
Room temperature: 3 days. Refrigerated: 7 days.
Rejection criteria:
Stability limits exceeded. Microcollection tubes are not acceptable.

TEST DETAILS
Interpretation guide:
Based on guidelines from the American Diabetes Association:
Normal: <=5.6%
Prediabetes: 5.7-6.4%
Diabetes: >=6.5%, diagnosis requires two abnormal diabetes diagnostic test results
Glycemic goals for adult diabetes: <7.0%
Additional information:
Estimated average glucose is calculated from HBA1c result.
CPT code(s):
83036
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Hemoglobin A1c, estimated average glucose.
Methodology:
Immunoassay
Synonyms:
Glycohemoglobin
HGBA1c, HGB A1c , HbA1c
HBA1C
Clinical significance:
Assesses long-term diabetic control in diabetes mellitus.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 02/19/2021

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily, Monday - Sunday
Performed stat? No
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