Streck Laboratories
Browse a range of Streck Laboratories diagnostics, controls, and other products to support your clinical laboratory testing and quality control needs.
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Streck Para 12™ Extend Hematology Control
Para 12 Extend is a three-part differential hematology control assayed for Beckman Coulter™, ERMA, Horiba™ Medical, HTI™ Diagnostics, Mindray™, Nihon Kohden™ and Siemens™ 3-part hematology analyzers. It features vials with pierceable caps for autosampling and is available in low, normal and high levels.
Includes | Abbott CELL-DYN™ 1400, 1600, 1700, and 1800, ABX Micros 60, Beckman Coulter™ Ac•T™/Ac•T with Diff/Ac•Tdiff2, Mindray BC-3200, ERMA PCE-210, Diatron™ Abacus, Abacus Jr., Nihon Kohden Celltac and MEK-6400 |
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Type | Para 12™ Extend Hematology Control |
Stability | 3 Months |
Format | Vial |
For Use With (Equipment) | Abbott CELL-DYN™ 1400, 1600, 1700, and 1800, ABX micros 60, Beckman Coulter™ Ac |
Intended Use | Test accuracy and precision of white cell populations |
Streck Cyto-Chex™ BCT Storage and Transport Reagent

Cyto-Chex BCT is a direct draw blood collection tube that maintains cellular morphology and surface antigen expression, including cluster of differentiation (CD) markers, prior to analysis by flow cytometry. Whole blood samples collected in Cyto-Chex BCT can be stored at room temperature for up to 14 days. Cyto-Chex BCT has been FDA 510(k) cleared for consistent recovery of HIV-associated lymphocyte subsets for up to 14 days.
Includes | Cyto-Chex™ BCT contains the anticoagulant, K3EDTA, and a cell preservative in a liquid medium |
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Type | Cyto-Chex™ BCT 7 Day Immunophenotyping Preservative |
Content And Storage | 18°C to 30°C |
Stability | 7 Days |
Format | Tube |
Certifications/Compliance | CE |
Intended Use | Collection, transport, and retention of Whole Blood samples for immunophenotyping |
Streck STaK-Chex™ Plus Retics Control
STaK-Chex Plus Retics is a comprehensive, whole blood five-part white cell differential control with reticulocytes and nucleated red blood cells for use on Beckman Coulter™ instruments. It features vials with pierceable caps for autosampling and is available in low, normal and high levels.
Type | STaK-Chex™ plus Retics Control |
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Content And Storage | 2°C to 10°C |
Stability | 105 Days |
For Use With (Equipment) | Beckman Coulter™ UniCel™ DxH™ 800, LH780/785, LH 750/755, LH500 and HmX |
Intended Use | For evaluating the accuracy and precision of automated procedures that measure Blood cell parameters |
Streck Temp-Chex™ Thermometer

Temp-Chex with Red Spirit is a certified NIST-traceable laboratory thermometer for monitoring refrigerators, ultra-low freezers, incubators, and room temperatures.
Includes | Temperature wall chart |
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Accuracy | ±0.5°C |
Product Type | Thermometer |
Subdivision | 0.5° |
Certifications/Compliance | NIST, DKD |
Streck HQ-Chex Glucose and Hemoglobin Control
HQ-Chex is a hematology control that evaluates the accuracy and precision of select HemoCue™ glucose and hemoglobin analyzers. It is available in three clinically significant levels.
Type | Glucose and Hemoglobin Control |
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Content And Storage | 2°C to 10°C |
Stability | 30 Days Open, 180 Days Closed Vial |
For Use With (Equipment) | HemoCue™ B-Glucose analyzer, HemoCue™ B-hemoglobin photometer and HemoCue™ Hb201+ analyzer |
Quantity | 6 x 2.5 mL |
Intended Use | Designed to evaluate the accuracy and precision |
Streck ESR-Chex™ Controls

ESR-Chex is a whole blood sed-rate control for automated and manual ESR testing methods. It is available in two levels and assayed for the most frequently used sedimentation rate tubes in conjunction with the Classical Westergren, Modified Westergren and Wintrobe methods.
Type | ESR-Chex Control |
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Content And Storage | 2°C to 10°C |
Stability | 95 Days Open, 12 Months Closed Vial |
For Use With (Equipment) | Clinical chemistry analyzer |
Compatible Methods | Both automated and manual ESR methods |
Shelf Life | 1 Year |
Certifications/Compliance | Internal quality control standards and regulatory compliance |
Intended Use | Verify the precision and accuracy of both manual and automated ESR methods |
Streck A1c-Cellular™ HbA1c Control

With A1c-Cellular, you can evaluate the entire HbA1c analysis process, from instrument to reagents, to ensure accurate patient results.
Type | A1c-cellular™ Clinical Control |
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Content And Storage | 2°C to 8°C |
Stability | 180 Days |
Format | Cap-pierceable Plastic Vial |
For Use With (Equipment) | Abbott Architect™ c system, Menarini ADAMS™ A1c HA-8160, Beckman Coulter™ UniCel™ DxC 600/800, Bio-rad™ D-10/Variant II™/Variant II™ |
Level | 1, 2 |
Certifications/Compliance | CE |
Intended Use | For evaluating the accuracy and precision of HbA1c procedures |
Source | Human RBC |
Streck Sickle-Chex™ Positive and Negative Controls

Sickle-Chex is a positive and negative whole blood control available for use with sickle cell screening tests and hemoglobin electrophoresis.
Type | Sickle-Chex™ Positive and Negative Controls |
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Content And Storage | 2°C to 10°C |
Shelf Life | 6 Months |
Streck CD-Chex™ CD34
CD-Chex CD34 is a three-level process control for enumerating CD34 positive cells by flow cytometry. It requires no dilution and provides reference values similar to levels found in bone marrow, cord blood and mobilized patient samples.
Type | CD34 Flow Cytometry Control |
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Stability | 30 Days Open, 90 Closed Vial |
For Use With (Equipment) | Flow cytometer |
Shelf Life | 3 Months |
Intended Use | Used as a complete process control when evaluating CD34 positive cells |
Streck Retic-Chex™ Linearity
Retic-Chex Linearity for BC is designed to establish the reportable range and linearity of Beckman Coulter™ hematology analyzers that report the reticulocyte parameter.
Type | Linearity |
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Streck Pipet Labs Calibration Kit

Pipet Verification Service Kit is a convenient and simple way to verify the calibration of laboratory pipets. PVS kits are ideal for pipets calibrated for volumes from 10 μL to 5000 μL.
Includes | Six vials of receiver solution and one or two vials of pipetting solution. |
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Product Type | Maintenance Kit |
Quantity | 1 Ea. |
For Use With (Application) | To perform simple titrations, analysis and calculation of the results |
Streck Cell-Chex™ Auto Body Fluid Cell Count Control
Cell-Chex Auto is an automated body fluid cell count control for Abbott™, Beckman Coulter™, Siemens Healthineers™ and Sysmex™ hematology analyzers. With this tri-level control, you can verify instrument accuracy at the lower WBC and RBC reportable range limits that standard CBC controls and calibrator material fail to assess.
Type | Auto Body Fluid Cell Count Control |
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Content And Storage | 2°C to 10°C |
Stability | 75 Days Closed, 30 Days Open Vial |
For Use With (Equipment) | Abbott, Beckman Coulter™, Sysmex™ hematology instruments |
Packaging | Vial |
Shelf Life | 75 Days |
Intended Use | Three-level spinal and body fluid control for evaluating the accuracy and precision of hematology instruments that measure Blood cell counts in patient body fluid samples |
Cap Type | Pierceable |
Streck CD-Chex™ CD117
CD-Chex CD117 Plus is a flow cytometry control that provides assay values for CD117, CD25 and CD71 on abnormal and total leukocytes.
Type | CD-Chex™ CD117 Plus Cytometry Control |
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Content And Storage | 2°C to 10°C |
Stability | 30 Days Open, 90 Days Closed |
Form | Liquid |
For Use With (Equipment) | BD Biosciences and Beckman Coulter™ flow cytometry system |
For Use With (Application) | Positive procedural control for CD117, CD25 and CD71, to monitor reagent staining, erythrocyte lysis, sample preparation, and instrument performance, eliminates the need for labs to hold and validate patient samples |
Streck Diesse MINI-CUBE ESR Analyzer

The Diesse MINI-CUBE is an automated erythrocyte sedimentation rate (ESR) analyzer that evaluates whole blood directly from EDTA tubes without consuming the patient sample. The MINI-CUBE produces results in 20 minutes, uses bar code scanning for positive patient identification and easily interfaces to LIS.