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Infliximab Quantitation with Reflex to Antibodies to Infliximab

Test Code:

BC9999

Synonym(s):

Specimen Container

Red top tube
(To be obtained from DPLM Client Service, after office hour call extension 1383)

Specimen Requirement

Plain blood
3 mL

Specimen Storage / Transport

Spin down and separate serum within 2 hours of receiving the specimen and freeze immediately.

Method

 

Orderable as STAT?

No

Turn Around Time

Reference Value(s)

INFLIXIMAB QUANTITATION:
Limit of quantitation is 1.0 mcg/mL. Therapeutic ranges are disease specific.
Paediatric reference ranges are not established.

INFLIXIMAB ANTIBODIES:
Absence of antibodies to infliximab (ATI) is defined as <50 U/mL
Presence of ATI is reported as positive when concentrations are > or = 50 U/mL

Testing Laboratory Location

NUH

Laboratory

Mayo Medical Laboratories in Rochester

Contact Number

6394 1352

Day and Time Performed

Mon - Fri: 0800 hrs to 1700 hrs
Sat: 0800 hrs - 1230 hrs
(Test setup every Monday, Wednesday and Thursday for INFX. Monday, Wednesday and Friday for INXAB)

Orderable on CPOE?

No

Downtime Form

Additional Information

For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (Vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.

Change History Notes

Others

Keywords

Infliximab Quantitation with Reflex to Antibodies to Infliximab BC9999
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