Chat
C1-Esterase Inhibitor
0050140
Copy Utility
Ordering Recommendation
Aids in diagnosis of hereditary angioedema and monitoring response to therapy.
Mnemonic
C1ESTER
Methodology
Quantitative Nephelometry
Performed
Sun, Wed, Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH 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: 0.4 mL)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Non-frozen specimens.
Remarks
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 2 hours; Frozen: 2 weeks
Reference Interval
21-39 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
Feedback
