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HelpTest ID BLOD0300 C1 Esterase Inhibitor Antigen, Serum
Useful For
Diagnosis of hereditary angioedema
Monitoring levels of C1 esterase inhibitor in response to therapy
Specimen Type
SerumSpecimen Required
Patient Preparations: Fasting preferred but not required.
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Immediately after specimen collection, place the tube on wet ice.
2. Centrifuge and aliquot serum into plastic vial.
3. Freeze specimen within 30 minutes.
Specimen Minimum Volume
0.5 mL
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 28 days | |
| Refrigerated | 28 days | ||
| Ambient | 72 hours |
Day(s) Performed
Monday through Friday
Method Name
Nephelometry
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83883
Secondary ID
8198Reporting Name
C1 Esterase Inhibitor Antigen, SReference Values
19-37 mg/dL
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.Report Available
2 to 5 days
Sanford Laboratories - Bismarck Additional Information:
SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 17808 | C1 Esterase Inhibitor Antigen |