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The kSort® Assay by Immucor
kSORT is a non-invasive gene expression assay that enables enhanced post-transplant surveillance and monitors immune quiescence for transplant patients.
Join the (R)Evolution of non-invasive post transplant surveillance by using the latest gene expression assay to rule out sub clinical or clinical rejection.
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kSort Benefits
The Need for a Non-Invasive Alternative to Surveillance Biopsies
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Fewer Costly Procedures
Less invasive methods are likely to reduce costs
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Avoid Procedure Related Risks
Procedure-related adverse events including graft bleeding (up to 6% across indications) or arteriovenous fistula (up to 14%)
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Reduce Sampling Error
~20% clinical discordance with inter-observer variance
We develop best-in-class solutions to improve patient outcomes.
A Comprehensive Portfolio for the Continuum of Transplant Patient Care
For more than 30 years, Immucor has focused on improving patient outcomes by bringing together best-in-class solutions developed to meet specific clinical needs. In addition to offering market-leading assays for typing and screening blood used in lifesaving transfusions, we offer a comprehensive—and progressively expanding—portfolio of products, technologies, and services to support transplant teams across the entire continuum of transplant patient care.
ABO Typing and Fully Automated ABO Titrations
HLA Typing, Screening and Antibody Identification
Pre-Transplant Evaluation for Successful Donor Selection
HLA Typing
- LIFECODES HLA SSO Portfolio
- MIA FORA NGS MFlex HLA Typing Assays (RUO)
- LIFECODES KIR Typing Kit (RUO)
- LIFECODES Non-HLA Antibody Kit (RUO)
HLA antibody Screening and Identification
- LIFECODES LifeScreen Deluxe Kits
- LIFECODES Class I/II ID Kits
- LIFECODES Single Antigen Kits (RUO)
- LIFECODES DSA Kit (RUO)
Confirm HLA Typing and Cross-match
Immune Monitoring & Inflammation Monitoring
Immune Monitoring
- LIFECODES LifeScreen Deluxe Kits
- LIFECODES Class I/II ID Kits
- LIFECODES Single Antigen Kits (RUO)
- LIFECODES Non-HLA Antibody Kit (RUO)
Inflamattion Monitoring
- LIFECODES C3d Kit
- IMMUCOR DX kSORT Assay*
- *Laboratory Developed Test 42 CFR 493.1253(b)(2)
kSort Collection Time Points
kSORT can be utilized to monitor patient immune responses to kidney transplantation throughout the transplant journey and can add another perspective to better monitor and prevent graft damage or loss. A suggested protocol driven collection time scenario is presented here to illustrate how kSORT could be used to monitor kidney transplant patients over time.
Months 1-6
Test 1x / month
Months 7-12
Test every 2 months
Months 12+
Test every 6 months
How to Order kSort
Immucor DX strives to provide excellent customer service, starting with streamlining the logistics of ordering the kSORT test.
Order kSORT collection kits
Call 1.800.363.5915 or email Immucor DX to order your kSORT
Collection kit.
Complete test requisition and collect whole blood specimen
Complete requisition form and draw specimen in provided PAXgene® tubes according to included instructions. Click here for electronic copies of the test requisition and instructions.
Package specimen and contact carrier for pickup
Package the specimen and test requisition in accordance with the provided instructions, apply the pre-paid return shipping label, and call carrier for pickup.
Receive results in < 1 week
Physician receives report within 72 hours of specimen receipt at Immucor DX.
kSort Data Studies
kSORT has been evaluated in multiple studies and demonstrates Negative Predictive Value. In conjunction with standard assessments, kSORT can aid physicians in compiling relevant information to avoid unnecessary biopsies and better predict rejection in kidney transplant patients.
| Study | NPV | View |
|---|---|---|
| AART 100 1 | 93% | View Study |
| PRISM 2 | 92% | View Study |
| SAILOR 3 | 98% | View Study |
| ESCAPE 4 | 90% | View Study |
| Van Loon Study 5 | 90% | View Study |
- 1 Roedder S., Sigdel T., Salomonis N., Sarwai M., et al. PLoS Med. 11, (2014)
- 2 Vincenti F., et al. Abstract, American Transplant Congress (2018)
- 3 Ekberg J, Lindner P et al., Am J Transpl. 16, 203–404 (2016)
- 4 Crespo E., Roedder S., et al. Transplantation 101, 1400–1409 (2017)
- 5 Van Loon E., et al. Am. J Transpl. 00, 1-11 (2020)
Ready to get started?
Speak with a Specialist
Do you want to learn more? Our Medical Specialists are available to talk with you today! Use this form to send us an email or call 616-284-3827 if you are ready to order.