Test Overview
Method
Liposome immune lysis assay (LILA)
Result Included
C2 Complement
Aliases/Synonyms
Complement Component 2, C2 activity
Specimen
Specimen Type
SerumC2 Complement testing is available as functional or antigen testing.
Non-interfaced clients should specify the Test ID C2FCOM S or "Functional" when ordering this test. Not doing so may cause processing delays while ICL ascertains which test you are requesting .
Antigen test: C2 Complement Antigen, Serum
Containers
Collection Containers
Red top (no additive)
Volume
Sample Volume
1.0 mL
Minimum Volume
0.5 mL
Collection & Handling
Collection Instructions
Immediately after specimen collection, place the tube on wet ice. Separate and freeze the sample as soon as possible.
Handling Information
Store and send frozen.
Stability
| Frozen |
|---|
| 21 days |
Rejection Criteria
| Criteria | Specification |
|---|---|
| Lipemia | Gross |
Performance & Interpretation
Turnaround Time
8 days
Results
Name
Units
Reference Range
Conversion
-
C2 Complement FunctionalU/mL≥ 34
Referral Location
Out-of-Country
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| C2FCOM S | C2 Complement, Functional, S, NR | 64613 | U/mL |
Test Version
Last Updated
2025-12-16