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HelpTest Code COM Complement, Total, Serum
Additional Codes
Outreach (Atlas) Order Code
CH50
Hospital (Cerner) Order Code
COM
Reporting Name
Complement, Total, SUseful For
Detection of individuals with an ongoing immune process
First-tier screening test for congenital complement deficiencies
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedSpecimen Required
Patient Preparation: Fasting preferred.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Immediately after specimen collection, place the tube on wet ice.
2. After sample has clotted on wet ice, centrifuge at 4° C and aliquot serum into 5 mL plastic vial.
3. Within 30 minutes of centrifugation, freeze specimen. Sample must be placed on dry ice if not frozen immediately.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Frozen | 28 days |
Reference Values
30-75 U/mL
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86162
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| COM | Complement, Total, S | 4532-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| COM | Complement, Total, S | 4532-8 |
Report Available
1 to 2 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Automated Liposome Lysis Assay