Connect Sign In
0050141
C1-Esterase Inhibitor Functional
C1 INH F
Ordering Recommendation
Aids in diagnosis of hereditary angioedema and monitoring response to therapy.
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
Serum Separator Tube (SST).
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.1 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: Unacceptable; Frozen: 2 weeks
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Sun, Wed, Fri
Reported
1-4 days
Reference Interval
| Test Number |
Components |
Reference Interval |
|---|---|---|
| C-1-Esterase Inhib. Functional | 41% or greater |
Interpretive Data
| Component |
Interpretation |
|---|---|
| C-1 Esterase Inhibitor Functional | 68% or greater Normal 41-67% Indeterminate 40% or less Abnormal |
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
86161
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050141 | C-1-Esterase Inhib. Functional | 48494-9 |
* 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 Inh,Func
- C1 esterase inhibitor
- C1 Inactivator
- C1 INH functional
- Functional Assay, Serum
- Functional C1 Esterase
- HAE
- Hereditary Angioedema
C1-Esterase Inhibitor Functional
