C2 Complement Component
Order Name
C2 QN
Test Number: 5000290
Revision Date 12/12/2022
Test Number: 5000290
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
C2 Complement Component
|
Quantitative Radial Immunodiffusion |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 2 mL (0.1) | Serum | Clot Activator SST | Room Temperature |
| Instructions | Specimen Type: Red-top tube OR gel-barrier tube Specimen Storage: Room temperature Specimen Collection: Separate serum from cells. Specimen Stability: Ambient: 12 days, Refrigerated : 12 days, Frozen: 12 days |
|||
| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 6 - 11 days later. |
| Clinical Use | Decreased C2 levels may be associated with increased susceptibility to infection (especially pneumococcal infections), systemic lupus erythematosus-like disease, rashes, arthritis, nephritis, and with C1-Esterase deficiency. Increased C2 levels are associated with the acute phase response. |
| Notes | Labcorp Test Code: 161414 |
| CPT Code(s) | 86160 |
| Service Provided By |  |
| Lab Section | Reference Lab |