Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

HEMOGLOBIN A1C

Geisinger Epic Procedure Code:  LAB2415    Geisinger Epic ID:  32306

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Specimen required: 

2.5 mL; minimum 1 mL.


Special notes: 

Separate tube(s) required. Microcollection tubes are not acceptable.



SPECIMEN PROCESSING
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, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

Performing Locations