Geisinger Proven Diagnostics Test Catalog

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BETA 2 TRANSFERRIN

SPECIMEN COLLECTION
Test code:
B2TRF
Specimen type:
Ear/nasal discharge
Collection container:
Specimen Required:
0.5 mL body fluid; minimum 0.2 mL.
Special notes:
Collect 0.5 mL of body fluid (nasal, otic, etc.) (0.2 mL minimum). Direct collections may be done with a pipette, syringe, test tube, or microcollection device. If submitting a syringe, remove needle; and add cap to end of syringe.
NOTES: 1. Although results may be obtainable on smaller specimens (perhaps as little as 0.05 mL, depending on the protein concentrations and percentage of spinal fluid in the specimen), reliable results are best obtained with an adequate specimen volume. 2. If direct collection is not feasible, specimens may be collected using cotton swabs. A. Place cotton swab in as small a container as possible (for example: a tightly-stoppered test tube). B. Do NOT add any additional fluid to swab including, but not limited to, saline or microcollection fluids. C. Tightly seal container and freeze. D. Indicate specimen type on request form. 3. Send specimen frozen in plastic vial.
Patient preparation:
None.

SPECIMEN PROCESSING
Specimen Processing Instructions:
None. 
Transport temperature:
Room temperature.
Specimen stability:
Room Temperature: 30 days. Refrigerated: 30 days. Frozen: 30 days.
Rejection criteria:
Do not send CSF. CSF is not an acceptable specimen for this test; this test is used to detect CSF leakage in other body fluids (e.g., ear, nose, eye).

TEST DETAILS
Reference range:
Beta-2 Transferrin, BF Negative.
Critical Values/Courtesy Alerts:
N/A.
Additional information:
N/A.
CPT code(s):
86335
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:
Beta 2 transferrin.
Methodology:
Electrophoresis
Immunofixation
Optical
Synonyms:
CSF IN EAR, NASAL DISCHARGE

Performing Locations

Quest Diagnostics
Technical Lead: Michael Weaver    
Frequency: Monday-Friday    
Performed stat? N