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General
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Clinical Use:
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C1 esterase inhibitor deficiency may be associated with hereditary angioedema.
Sera are first tested for Complement C4; if this is <0.24g/L then a C1 esterase inhibitor quantitative level (C1ES) measuring the amount of C1 esterase inhibitor present and functional activity (C1FUN) are measured. |
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Availability:
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Samples are tested routinely during the testing laboratory's hours of operation. |
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Aliases/Synonyms:
| C1 Inhibitor Biochemical, C1 Inhibitor Function, C1 Inhibitor Level, C1B, C1F, CI Esterase Inhibiter, Complement C1 Esterase inhibitor, Functional CI Esterase Inhibiter , Quantitative C1 Esterase Inhibitor, |
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Code:
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C1INH |
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Handling Instructions (to laboratory):
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Send 1 x GOLD chilled.
Send separated GOLD aliquots frozen on dry ice. |
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Hyperlink:
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Reference Interval:
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Refer to report or laboratory
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Collection Requirements
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Container:
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Serum Sep. Tube-SST x 2 (GOLD), |
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Sample Type:
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See container |
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Minimum Collection Volume:
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1ml |
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Collection Instructions:
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If samples will not reach laboratory within 1 hour of collection, 1 x GOLD must be centrifuged, separated and frozen into 2 aliquots. |
Processing Requirements
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Alternate Containers:
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Processing Instructions:
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Centrifuge, separate and freeze 1 x GOLD into 2 aliquots. |
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Minimum Assay Volume:
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400uL |
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Stability:
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1 hour chilled |
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Transport Instructions (to testing laboratory):
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Send 1 x GOLD chilled.
Send separated GOLD aliquots frozen on dry ice. |
Testing Locations
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Performed at:
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Section
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Department
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Site
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Contact Phone
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Immunology |
QEII Medical Centre |
6383 4306 |
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Last Updated : 12-06-2025 09:42 |