
Overview
Liquichek Specialty Immunoassay Plus is a four level, comprehensive, independent specialty immunoassay quality control designed to monitor assay precision of specialty analyte testing. This multi-level control features high-demand, clinically relevant analytes such as Procalcitonin (PCT), IL-6, and Active Vitamin B12. Contains enhanced Vitamin D ranges for Vitamin D Standardization Program (VDSP) compliant assays and improved open-vial stability PTH (Intact) to minimize QC waste for cost and time savings.
Features
- Patient-like materials - Liquid, human serum-based control
- Consolidated menu of key analytes - Contains 14 high-usage analytes for specialty IA testing, including Procalcitonin (PCT) and IL-6
- Improved analyte performance - Optimized for Vitamin D Standardization Program (VDSP) compliant assays and improved open-vial stability for PTH (Intact)
- Ease of use - Ready-to-use liquid state offers the convenience of not needing to reconstitute
- Long shelf life - Reduces crossover studies which helps simplify workflow
- Unity peer group - Access Unity data management program and large peer groups for greater confidence in patient results
Storage & Stability
Configuration | Stability | Shelf life | Levels | Format |
---|---|---|---|---|
5 mL | 30 day open-vial stability at 2-8°C for most analytes |
36 months at -20°C to - 70°C | Levels Low, 1, 2, 3 | Standard vial |
Analytes
- 25-Hydroxy Vitamin D
- Active Vitamin B12
- Anti-Thyroglobulin (Anti-Tg)
- Anti-Thyroperoxidase (Anti-TPO)
- C-Peptide
- Erythropoietin (EPO)
- Fructosamine
- Insulin Growth Factor I (IGF-I)
- Interleukin-6 (IL-6)
- PTH (Intact)
- Osteocalcin
- Procalcitonin (PCT)
- Thyroid Stimulating Immunoglobulins (TSI)
- Anti-TSH Receptor (TRAb)
Refer to My eInserts or the product insert (IFU) of currently available lots for specific analyte and stability claims.
Applications and Uses
This product should be treated the same as patient specimens and run in accordance with the instructions accompanying the instrument, kit or reagent
Thawed/Unopened
If the product has been stored frozen, allow it to stand at room temperature (18°C to 25°C) for approximately one hour or until completely thawed. Gently swirl the contents until homogeneous with no visible signs of a precipitate. Any precipitate present after thawing should dissolve upon mixing. Store the thawed product at 2-8°C.
Thawed/Opened
If the product has been stored refrigerated, allow it to reach room temperature (18°C to 25°C) before use. Minimize the time at room temperature. Gently swirl the vial several times to ensure homogeneity. After each use, promptly replace the stopper and return to 2-8°C storage.
Aliquot-Frozen
To prepare aliquot samples, allow the control vial to thaw as described above. Gently swirl the vial several times to ensure homogeneity, then dispense the control material into aliquot vials and store at -20°C to -70°C. If sampling aliquot, use it only once. Discard the remaining material.

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Assayed, liquid human serum based, consolidated specialty IA control with up to 13 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Level Low (6 x 5 mL)

Assayed, liquid human serum based, consolidated specialty IA control with up to 14 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Level 1 (6 x 5 mL)

Assayed, liquid human serum based, consolidated specialty IA control with up to 14 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Level 2 (6 x 5 mL)

Assayed, liquid human serum based, consolidated specialty IA control with up to 14 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Level 3 (6 x 5 mL)

Assayed, liquid human serum based, consolidated specialty IA control with up to 13 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Level Low MiniPak (1 x 5 mL)

Assayed, liquid human serum based, consolidated specialty IA control with up to 14 analytes to monitor precision of specialty IA assays, including Procalcitonin, Active Vitamin B12, IL-6, PTH (Intact), 25-OH Vitamin D and more; Trilevel MiniPak (3 x 5 mL)
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