Geisinger Medical Laboratories Test Catalog
RNP ANTIBODY |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3021 Geisinger Epic ID: 26884 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
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Specimen required: |
0.5 mL serum; minimum 0.2 mL. | |
SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow to clot. Centrifuge and submit 0.5 mL serum. | |
Transport temperature: |
Refrigerated (preferred). Room temperature (stable 8 hours) and frozen specimens also acceptable. | |
Specimen stability: |
Room temperature: 8 hours. 2-8°C: 48 hours. Frozen: 6 months. | |
Rejection criteria: |
Specimen stability exceeded; specimen grossly hemolyzed. | |
TEST DETAILS |
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Reference interval: |
Negative <5 U/mL | |
Interpretation guide: |
Negative <5 U/mL Equivocal 5-10 U/mL Positive >10 U/mL |
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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. | ||
Test includes: |
RNP antibody. | |
Methodology: |
Enzyme Immunoassay (EIA) |
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Synonyms: |
RNP ribonucleoprotein antibody
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Clinical significance: |
Positive RNP antibodies can be used in conjunction with clinical findings and other laboratory tests to aid in the diagnosis of systemic lupus erythematosus (SLE) and other related connective tissue diseases. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu PhD, DABCC | |
Review Date: | 12/13/2022 |