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Test Code RCVBS Recoverin-IgG Antibody, Immunoblot, Serum

Reporting Name

Recoverin Immunoblot, S

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Evaluating patients with suspected paraneoplastic retinopathy accompanying small cell carcinoma

Method Name

Immunoblot (IB)


Specimen Required


Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Type

Serum

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

Negative

Interpretation

Seropositivity is consistent with a diagnosis of paraneoplastic retinopathy. Small cell carcinoma (pulmonary or extrapulmonary) and neuroendocrine carcinoma should be considered.

Day(s) Performed

Monday through Friday

Report Available

4 to 6 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84182

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RCVBS Recoverin Immunoblot, S 83003-4

 

Result ID Test Result Name Result LOINC Value
610009 Recoverin Immunoblot, S 83003-4

Forms

If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.