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Specimen Collection Manual and Test Catalog

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SPECIFIC SITE ANALYSIS, AMBRY

Geisinger Epic Procedure Code:  LAB5208    Geisinger Epic ID:  198825

SPECIMEN COLLECTION
Specimen type: 

Buccal, saliva, EDTA whole blood


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
Ambry Saliva or Buccal Kits
Specimen required: 

6mL EDTA whole blood


Special notes: 

Transfusion patients: Wait at least 2 weeks after a packed cell/platelet transfusion, and at least 4 weeks after a whole blood transfusion prior to blood draw for testing.



SPECIMEN PROCESSING
Processing instructions: 

Send whole blood. Ship FedEx overnight.


Transport temperature: 

Refrigerated.


Specimen stability: 

Room temperature: 3 days. Refrigerated: 30 days.



TEST DETAILS
CPT code(s):  81403
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: 
Methylation array analysis
Synonyms: 

Ambry test code 5555, Family Variant testing


Doctoral Director(s): 
Randin Nelson MD
Review Date:  03/17/2026

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