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Specimen Collection Manual and Test Catalog

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NUCLEIC ACID EXTRACTION, BLOOD

Geisinger Epic Procedure Code:  LAB3520    Geisinger Epic ID:  66455

SPECIMEN COLLECTION
Specimen type:  Whole blood
Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
Specimen required: 
6 mL (minimum 4 mL) whole blood. If using the 3 mL K2 ETDTA tubes, collect TWO tubes.
Special notes: 
Mix well immediately. Do not centrifuge.

SPECIMEN PROCESSING
Processing instructions: 
Mix well immediately. Do not centrifuge.
Transport temperature: 
Refrigerated, 2-8°C.
Specimen stability: 
Refrigerated, 2-8°C: 3-7 days. For DNA, specimen must be extracted within 7 days. For RNA, specimen must be extracted within 3 days.
Rejection criteria: 
Wrong collection tube. Improper storage or transport temperature. Stability limits exceeded. Shared or comingled specimens.

TEST DETAILS
Additional information: 
For molecular testing, original tube is required.
CPT code(s):  No charge is associated with this order/test.
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.

Synonyms: 
DNA Extraction, RNA Extraction, Nucleic Acid Extraction, Extract and Hold, Process and Hold, BLDNAE
Doctoral Director(s): 
Yi Ding MD, PhD
Review Date:  09/24/2024

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