Ordering Recommendation
Mnemonic
C1 INH PAN
Methodology
Immunoturbidimetry/Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Quantitative Turbidimetry
Performed
Wed, Fri, Sat
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 three 1 mL aliquots of serum to individual ARUP Standard Transport Tubes and freeze immediately. (Min: 1.0 mL/tube)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Non-frozen specimens.
Remarks
Stability
Refer to individual components.
Reference Interval
Test Number |
Components |
Reference Interval |
||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C-1-Esterase Inhibitor | 21-38 mg/dL | |||||||||||||||||||||||||||||||
C-1-Esterase Inhib. Functional | 41% or greater | |||||||||||||||||||||||||||||||
Complement Component 4 |
|
Interpretive Data
Component | Interpretation |
---|---|
C1-Esterase Inhibitor Functional | 68% or greater Normal 41-67% Indeterminate 40% or less Abnormal |
Compliance Category
FDA
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
86160 x2; 86161
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0050140 | C-1-Esterase Inhibitor | 4477-6 |
0050141 | C-1-Esterase Inhib. Functional | 48494-9 |
0050155 | Complement Component 4 | 4498-2 |
* 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
- C1 esterase inhibitor
- C1 esterase inhibitor, functional
- C1 inhibitor
- C1-inh
- C4
- Complement Component 4
C-1-Esterase Inhibitor Panel