BETA INTERFERON ANTIBODIES, SERUM

Method, Units, Reference values and Delivery Time Modification

Test code: 4245
Mnemonic code: ACBIFN

Effective update from 16/10/2023

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Method: Chemiluminescence   Units: TRU/mL   Reference values: Negative    - If negative: repeat the test in 12 months while maintaining treatment.    - If positive: repeat the test in three months      If two successive determinations are POSITIVE greater than 100 TRU / mL treated with IFN beta-1a, suspend treatment.      If two successive determinations are POSITIVE greater than 400 TRU / mL treated with IFN beta-1b, suspend treatment.      * Source: Bibliography             Delivery term: 17 days                   Version of Test: 6

Method: Enzyme Immunoassay   Units: BTU   Reference values: Less than 50 BTU            * Source: Insert                                                               Delivery term: 14 days                   Version of Test: 7

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