Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

ALPHA-GLOBIN GENE DELETION OR DUPLICATION

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1714         Geisinger Epic ID: 39170

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Alternate Collection Container:
4 mL green/green-top (sodium heparin) tube
Specimen required:
5 mL whole blood; minimum 3 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Specimen stability is crucial. Store and ship at room temperature immediately. 
Transport temperature:
Room temperature.
Specimen stability:
Room temperature, refrigerated, frozen: 8 days.

TEST DETAILS
CPT code(s):
81269
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.
Methodology:
Capillary Electrophoresis
Multiplex polymerase chain reaction (PCR)
Synonyms:
Alpha globin gene analysis panel
Quest test code 16124
AGGD
Clinical significance:
This test can be used to detect the presence or absence of large deletions in the HBA1 or HBA2 gene in patients or their family members suspected of having alpha-Thalassemia or who are carriers of alpha globin deletions. The assay can also be used in the prenatal diagnosis of alpha-Thalassemia. The assay does not determine the type or breakpoint of the rearrangement. This assay can be used instead of Southern Blot analysis to determine the total number of intact alpha globin genes.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Setup: Tuesday. Report available: 2-3 weeks following setup.    
Performed STAT? No
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