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HelpTest Code C1ESTM C1 Esterase Inhibitor Antigen, Serum
Additional Codes
| Mayo | C1ES |
| Epic ID | LAB850 |
Specimen Type
SerumSpecimen Required
Patient Preparations:
Fasting: 12 hours, preferred but not required.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
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
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 28 days |
| Refrigerated | 28 days | |
| Ambient | 72 hours |
UPH Waterloo Region Lab Test Catalog
Note:
Transport frozen.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Nephelometry
Useful For
Diagnosis of hereditary angioedema
Monitoring levels of C1 esterase inhibitor in response to therapy
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysReference Values
19-37 mg/dL
CPT Code Information
83883