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26037 Anser UST, Prometheus (3190)

Anser UST, Prometheus (3190)
Test Code: PUSTSO
Test Components
Simultaneously measures ustekinumab (UST) and antibodies to ustekinumab (ATU) levels in serum.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​2 mL ​0.5 mL ​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ ​Room Temperature ​7 days
​Refrigerate ​9 days
Rejection Criteria
Gross Hemolysis
​Frozen Sample
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Prometheus ​Monday through Friday ​3 days ​Nonradio-labeled liquid-phase mobility shift assay
Reference Lab
Prometheus Biosciences
Reference Range Information
Performing Location Reference Range
​Prometheus ​Assay: Serum ustekinumab concentration (UST)
Lower Limit of Quantification: < 1.6 ug/mL
 
Assay: Antibodies to ustekinumab (ATU) concentration
Lower Limit of Quantificiation: < 1.6 U/mL
Interpretation
Any results above the lower limit of quantification will be listed as “Detected” and quantified.
Test Components
Simultaneously measures ustekinumab (UST) and antibodies to ustekinumab (ATU) levels in serum.
Ordering Applications
Ordering Application Description
​Cerner ​Anser UST, Prometheus (3190)
​COM ​Anser UST, Prometheus (3190)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​2 mL ​0.5 mL ​
Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ ​Room Temperature ​7 days
​Refrigerate ​9 days
Rejection Criteria
Gross Hemolysis
​Frozen Sample
Test Components
Simultaneously measures ustekinumab (UST) and antibodies to ustekinumab (ATU) levels in serum.
Reference Range Information
Performing Location Reference Range
​Prometheus ​Assay: Serum ustekinumab concentration (UST)
Lower Limit of Quantification: < 1.6 ug/mL
 
Assay: Antibodies to ustekinumab (ATU) concentration
Lower Limit of Quantificiation: < 1.6 U/mL
Interpretation
Any results above the lower limit of quantification will be listed as “Detected” and quantified.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Prometheus ​Monday through Friday ​3 days ​Nonradio-labeled liquid-phase mobility shift assay
Reference Lab
Prometheus Biosciences
For billing questions, see Contacts
For most current information refer to the Marshfield Laboratory online reference manual.