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Specimen Collection Manual and Test Catalog

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20Q DELETION (FISH)

Geisinger Epic Procedure Code:  LAB1488    Geisinger Epic ID:  33390

SPECIMEN COLLECTION
Specimen type: 

Bone marrow (prefererd) or whole blood.


Preferred collection container: 
Alternate collection container: 
4 mL green/green-top (sodium heparin) tube
Specimen required: 

3 mL (min 1 mL) bone marrow in cell culture media (preferred) or green-top sodium heparin tube OR 3-5mL (min 2-3mL) whole blood in green-top sodium heparin tube


Special notes: 

Clinical history and reason for referral are required with test order. Prior therapy and transplant history should be provided with test order.



SPECIMEN PROCESSING
Transport temperature: 

Room temperature.


Specimen stability: 

Room Temperature: Unspecified. Refrigerated: Unspecified. Frozen: Unacceptable.


Rejection criteria: 

Frozen specimen.



TEST DETAILS
Reference interval: 

Interpretive report.


CPT code(s):  88271, 88275
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: 

FISH, Chromosome 20q Deletion.


Methodology: 
Fluorescent Restriction Fragment Length Polymorphism
Synonyms: 

FISH, Chromosome 20q Deletion, F20QD


Review Date:  12/02/2024

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