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0050140
C1-Esterase Inhibitor
C1ESTER
Ordering Recommendation
Aids in diagnosis of hereditary angioedema and in monitoring response to therapy.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Serum separator tube.
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Ambient. Grossly hemolyzed and/or lipemic specimens
Remarks
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: 14 days; Frozen: 1 month.
Methodology
Quantitative Turbidimetry
Performed
Sun-Sat
Reported
1-4 days
Reference Interval
Effective November 15, 2021
21-38 mg/dL
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
86160
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050140 | C-1-Esterase Inhibitor | 4477-6 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- C1 esterase inhibitor
- C1 Esterase Inhibitor Antigen, S
- C1 Esterase Inhibitor Antigen, Serum
- C1 Esterase Inhibitor Quantitative
- C1 Inactivator, Quantitative
- C1 Inhibitor
- C1 Inhibitor Antigenic Protein
- C1 inhibitor level
- HAE
- Hereditary Angioedema
C1-Esterase Inhibitor
