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Geisinger Medical Laboratories Test Catalog
COMPLEMENT COMPONENT C1Q |
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Geisinger Epic Procedure Code: LAB4088
Geisinger Epic ID: 16280
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SPECIMEN COLLECTION |
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Specimen type: |
Serum or plasma | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL red-top (plain, non-serum separator) tube
6 mL pink-top K2 EDTA tube
3 mL lavender-top (K2 EDTA) tube
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Specimen required: |
1 mL serum or plasma; minimum 0.1 mL | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge within one hour of draw time and aliquot | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 4 days. Refrigerated: 10 days. Frozen: 29 days. | |
Rejection criteria: |
Gross hemolysis • Gross lipemia | |
TEST DETAILS |
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CPT code(s): |
86160 | |
| 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: |
Radial Immunodiffusion |
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Synonyms: |
Quest code 981
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Clinical significance: |
The complement system is critical to the inflammatory response. C1q concentrations may be decreased in patients with acquired angioedema, immune complex induced vasculitis, and concurrent low concentrations of C1 inhibitor, carcinoma, or lymphoma. | |