Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

ANTI-U3 RNP AB (FIBRILLARIN)

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1323         Geisinger Epic ID: 53217

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.5 mL.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge and aliquot. 
Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 7 days. Refrigerated: 14 days. Frozen: 60 days.

TEST DETAILS
CPT code(s):
86235
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:
Radioimmunopreciptation assay (RIPA)
Synonyms:
Quest test code 91292, Anti-U3 RNP
Clinical significance:
The U3-RNP (Fibrillarin) particle is thought to participate in the first step of pre-ribosomal RNA processing. Anti-U3 RNP antibodies have been shown to be highly specific for patients with SSc

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon-Fri; Report available: 11-15 days    
Performed stat? No
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