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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
C2 COMPLEMENT COMPONENT |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1908 Geisinger Epic ID: 7292 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum (preferred) or plasma. | |
Preferred collection container: |
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Alternate Collection Container: |
White-top K2 EDTA plasma preparation tube (PPT)
3.5 mL gold-top (serum separator) tube
3 mL lavender-top (K2 EDTA) tube
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Specimen required: |
1 mL aliquot of serum; minimum 0.1 mL. | |
Special notes: |
Specimen can be drawn in gel barrier tube but must be separted within 1 hour of draw time. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and transfer serum or plasma specimens to clean, plastic, screw-capped vial(s). Transport on refrigerant coolant. | |
Transport temperature: |
Refrigerated (preferred) or frozen. | |
Specimen stability: |
Room Temperature: 28 days. Refrigerated: 28 days. Frozen: 28 days. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
1.6-3.5 mg/dL |
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Interpretation guide: |
Low levels of C2 indicate increased catabolism (as in immune complex disease) or decreased synthesis. | |
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. | ||
Test includes: |
Complement Component C2. | |
Methodology: |
Radial Immunodiffusion |
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Synonyms: |
Complement C2, C2F Quest test code 68262
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