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HelpTest Code LAB154 Complement, Total, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Complement, Total, SSpecimen 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.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Frozen | 28 days |
Specimen Minimum Volume
0.5 mL
Day(s) Performed
Monday through Friday
Specimen Retention Time
14 daysReport Available
1 to 2 daysReference Values
30-75 U/mL
Useful For
Detection of individuals with an ongoing immune process
First-tier screening test for congenital complement deficiencies
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 |