CD-Chex TdT Plus^®

CD-Chex TdT Plus is a positive procedural control that provides reference values for TdT, CD1a, CD2, CD4, CD5, CD7, CD8, CD34 and cytoplasmic CD3. This control contains several markers designated as “rare flow antigens” by CAP.

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TECHNICAL DOCUMENTS

Streck CD-Chex TdT Plus control, a small vial with a white cap, used in flow cytometry for TdT analysis.

Product Description

CD-Chex TdT Plus is a ready-to-use control for evaluating CD2, CD4, CD5, CD7, CD8, CD34, cytoplasmic CD3 and nuclear TdT expression by flow cytometry. This control contains an abnormally high CD34⁺ population and is designed to monitor reagent staining, erythrocyte lysis, sample preparation and instrument performance…

Laboratory procedure: A gloved hand pipettes a reagent into a Streck CD-Chex TdT Plus control vial, likely for flow cytometry or cell analysis.

For Research Use Only. Not for use in diagnostic procedures.

Features

Only flow cytometry control assayed for TdT, CD1a, CD34 and cytoplasmic CD3
Offers an abnormally high level of CD34: over 60% positive for CD34+
Compatible with BD Biosciences and Beckman Coulter flow cytometry systems
30-day open-vial stability; 90-day closed-vial stability

Benefits

Manufacturer established assay ranges – no need to verify range per CAP requirements
Reduces the need for labs to hold and validate patient samples for use as a control
Access to STATS^®, our free interlaboratory quality control program for peer group data comparison

Markers assayed on CD-Chex TdT Plus

cCD3

CD1a

CD2

CD3

CD4

CD5

CD7

CD8

CD10

CD11b

CD11c

CD13

CD14

CD15

CD16

CD16·CD56

CD19

CD20

CD22

CD23

CD25

CD26

CD30

CD33

CD34 (Abnormal)

CD34 (Progenitor)

CD38+ / CD45+

CD38+ / CD45-

CD41

CD45

CD56

CD57

CD58

CD61

CD64

CD71

CD79a

CD103

CD117

CD138

cLambda

FMC7

Granulocyte

HLA·DR

Kappa / CD19

Lambda / CD19

Lymphocyte

Monocyte

MPO

TCR α/β

TCR γ/δ

TdT

WBC

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Ordering Information

Description	Item Number

1 x 1.0 mL	213565
2 x 1.0 mL	213566

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Resources

View this product’s mixing instructions video

Instructions (IFU)

Assays

Certificates

SDS

CD-Chex TdT Plus Exemption Letter

STATS

Product Information

CD-Chex TdT Plus Brochure

Looking for an older document? Click here for archived assays and certificates.

Quality Pillars for Building Measurement Assurance in Flow Cytometry

The webinar provides updates on the current best quality practices in flow cytometry and case studies for assay, reagent and instrument monitoring.

We offer a comprehensive line of positive procedural controls and cellular stabilization products for immunophenotyping by flow cytometry. Our CD-Chex^® quality controls provide you with assay values for various leukocyte populations, intracellular and surface markers, and our cellular stabilization products allow you to preserve samples for extended periods of time, eliminating the need for cold-chain shipping or immediate processing.

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Streck Flow Cytometry test tubes for laboratory diagnostics.

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