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Specimen Collection Manual and Test Catalog

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CMNEXT AMBRY

Geisinger Epic Procedure Code:  LAB5226    Geisinger Epic ID:  199095
Test Restriction:  Restricted to Genetics and Cardiology.

SPECIMEN COLLECTION
Specimen type: 

Buccal, saliva, EDTA whole blood


Preferred collection container: 
Alternate collection container: 
Ambry Saliva or Buccal Kits
Specimen required: 

3 mL whole blood, 2 mL for pediatrics


Patient preparation: 

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 sample collection for testing.



SPECIMEN PROCESSING
Processing instructions: 

Send whole blood


Transport temperature: 

Room temperature


Specimen stability: 

Room temperature 7 days (Preferred). Refrigerated 7 days



TEST DETAILS
CPT code(s):  81439
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: 
Next Generation Sequencing
Polymerase Chain Reaction (PCR)
Sanger Sequencing
Synonyms: 

Ambry code 8887


Doctoral Director(s): 
Randin Nelson MD
Review Date:  11/25/2025

Performing Locations