Test Details
Methodology
See individual components.
Result Turnaround Time
3 - 5 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Test Includes
Complement C3 [006452]; Complement C3a [004220]; Complement C4 [001834]; Complement C4a [004330]; dsDNA Antibody by IFA, Crithidia luciliae, with Reflex to Titer [096346]; Anti-C1Q Ab, IgG [505710]
Use
This profile is used to aid in monitoring treatment for Lupus patients.
Special Instructions
State the patient's sex and age on the test request form.
For Complement C3a [004220] and Complement C4a [004330]: Futhan preservative must be added to samples immediately after collection. Collection kits containing this preservative are available as Labcorp Part No. 78946.
Testing for Anti-C1q Ab, IgG currently is not available in New York state.
Limitations
For Complement C3a [004220] and Component C4a [004330]: Results of this test are labeled for research purposes only by the assay's manufacturer. The performance characteristics of this assay have not been established by the manufacturer. The result should not be used for treatment or for diagnostic purposes without confirmation of the diagnosis by another medically established diagnostic product or procedure. The performance characteristics were determined by Labcorp.
Specimen Requirements
Specimen
Serum, EDTA plasma with Futhan (frozen)
Volume
2 mL serum, 2 mL EDTA plasma with Futhan
Container
Gel-barrier tube, lavender-top (EDTA) tube, screw cap tube with Futhan
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 505770 | Lupus Monitor Profile | 006453 | Complement C3, Serum | mg/dL | 4485-9 | |
| 505770 | Lupus Monitor Profile | 004221 | Complement C3a | ng/mL | 4488-3 | |
| 505770 | Lupus Monitor Profile | 001833 | Complement C4, Serum | mg/dL | 4498-2 | |
| 505770 | Lupus Monitor Profile | 004331 | Complement C4a | ng/mL | 4501-3 | |
| 505770 | Lupus Monitor Profile | 096346 | dsDNA Crithidia luciliae IFA | 6457-6 | ||
| 505770 | Lupus Monitor Profile | 505711 | Anti-C1q Ab, IgG | 44702-9 | ||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 006453 | |||||
| Result Code Name | Complement C3, Serum | |||||
| UofM | mg/dL | |||||
| Result LOINC | 4485-9 | |||||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 004221 | |||||
| Result Code Name | Complement C3a | |||||
| UofM | ng/mL | |||||
| Result LOINC | 4488-3 | |||||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 001833 | |||||
| Result Code Name | Complement C4, Serum | |||||
| UofM | mg/dL | |||||
| Result LOINC | 4498-2 | |||||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 004331 | |||||
| Result Code Name | Complement C4a | |||||
| UofM | ng/mL | |||||
| Result LOINC | 4501-3 | |||||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 096346 | |||||
| Result Code Name | dsDNA Crithidia luciliae IFA | |||||
| UofM | ||||||
| Result LOINC | 6457-6 | |||||
| Order Code | 505770 | |||||
| Order Code Name | Lupus Monitor Profile | |||||
| Order Loinc | ||||||
| Result Code | 505711 | |||||
| Result Code Name | Anti-C1q Ab, IgG | |||||
| UofM | ||||||
| Result LOINC | 44702-9 |
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
|---|---|---|---|---|---|---|
| Reflex 1 | 096347 | dsDNA Crithidia luciliae Titer | 096347 | dsDNA Crithidia luciliae Titer | 34187-5 | |
| Reflex 1 | ||||||
| Order Code | 096347 | |||||
| Order Name | dsDNA Crithidia luciliae Titer | |||||
| Result Code | 096347 | |||||
| Result Name | dsDNA Crithidia luciliae Titer | |||||
| UofM | ||||||
| Result LOINC | 34187-5 | |||||