Para 12® Plus

Para 12 Plus is a whole blood hematology control formulated for the Abbott® CELL-DYN five-part differential Ruby® instrument. It features vials with pierceable caps for autosampling and is available in low, normal and high levels.

Para 12 Plus is a whole blood hematology control that offers complete assay values for the five-part white blood cell differential. This control offers low, normal and high cell percentages to test the accuracy and precision of the reported white cell populations, comes in 3 mL vials with pierceable caps for autosampling and has a long shelf life which reduces the number of shipments, associated costs and time spent performing lot-to-lot correlation. Each Para 12 Plus label is barcoded to assist with quality control data collection, eliminating the possibility of transcription errors.

Show More
Para 12 Plus hematology control formulated for the Abbott CELL-DYN five-part differential instruments


  • Available in three clinically significant levels
  • Plastic vials with pierceable caps for analyzer autosampling
  • Compatible with the Abbot CELL-DYN five-part differential Ruby hematology analyzer
  • 7-day open-vial stability; 75-day closed-vial stability


  • Established assay ranges provide less room for error
  • Long shelf life reduces the number of shipments and associated costs
  • Fewer lot-to-lot correlations save time and resources
  • Access to STATS®, our free interlaboratory quality control program for peer group data comparison
DescriptionCatalog Number
4 x 3.0 mL (4 Low)218924
4 x 3.0 mL (4 Normal)218914
4 x 3.0 mL (4 High)218934
12 x 3.0 mL (4 Low, 4 Normal, 4 High)218913

View the lot release schedule

Order Para 12 Plus today

New customers

Existing customers

International customers find a distributor

Our whole blood controls and calibrators give you confidence in the accuracy and sensitivity of your hematology analyzers without having to complete a tedious whole blood calibration procedure.

Streck hematology products

The latest from the blog

Quality Control

CLIA Announces New 2024 Updates

Changes to CLIA requirements for Analytical Quality may affect your proficiency testing and quality control programs. Effective July 11, 2024, these r…
Read More
Quality Control

Flow Cytometry: A powerful tool for clinicians

Flow cytometry allows scientists to rapidly analyze thousands of normal cells and identify the presence of rare and abnormal cells. It is based on sim…
Read More
Quality Control

ILQC: How to earn the trust of your clients and their patients

In laboratory medicine, trust is everything. It is estimated that more than 70% of medical decisions are made using laboratory data. For clinicians an…
Read More