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Specimen Collection Manual and Test Catalog

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PARANEOPLASTIC VISION LOSS EVALUATION, SERUM

Geisinger Epic Procedure Code:  LAB4819    Geisinger Epic ID:  184269

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Alternate collection container: 
3.5 mL gold-top (serum separator) tube
Specimen required: 

4 mL serum


Special notes: 

Collete one full 6 mL red-top tube.



SPECIMEN PROCESSING
Processing instructions: 

Allow blood to clot, centrifuge, then aliquot.


Transport temperature: 

Refrigerated.


Specimen stability: 

Room Temperature: 72 hours. Refrigerated: 28 days. Frozen: 28 days.


Rejection criteria: 

Gross hemolysis, lipemia or icterus



TEST DETAILS
CPT code(s):  86255, 84182
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: 
Indirect Immunofluorescence
Synonyms: 

PVLE


Clinical significance: 

Evaluating patients with rapidly progressive vision loss where a paraneoplastic cause for vision loss (retinopathy or optic neuritis with other findings [eg, retinitis] is suspected) Evaluating patients with small-cell carcinoma who develop vision loss.


Review Date:  12/20/2024

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