Glossary
Cold Chain Glossary
Clear, citable definitions of the core terminology behind temperature-controlled logistics, pharmaceutical compliance, and autonomous cold chain orchestration.
- Mean Kinetic TemperatureMKT
- A single calculated temperature that expresses the cumulative thermal stress a product experiences over time. MKT weights higher temperatures more heavily than a simple average, making it the standard measure for assessing the stability impact of temperature excursions on pharmaceuticals.
- Stability Budget
- The total amount of out-of-range thermal exposure a temperature-sensitive product can tolerate across its entire lifecycle before its quality is compromised. Tracking the remaining stability budget lets teams make release or disposal decisions based on cumulative risk rather than a single excursion.
- Good Distribution PracticeGDP
- The quality standard governing the proper distribution of medicinal products, ensuring that medicines are consistently stored, transported, and handled under suitable conditions throughout the supply chain to maintain their quality and integrity.
- GAMP 5
- Good Automated Manufacturing Practice, 5th edition: an ISPE framework providing a risk-based approach to computerized system validation in regulated life-sciences environments, ensuring software and automated systems are fit for their intended use.
- 21 CFR Part 11
- The U.S. FDA regulation defining the criteria under which electronic records and electronic signatures are considered trustworthy, reliable, and equivalent to paper records. It governs audit trails, access controls, and data integrity for regulated electronic systems.
- EU Annex 11
- The European Union GMP guideline for computerized systems used in regulated pharmaceutical activities. It is the European counterpart to 21 CFR Part 11, covering risk management, validation, data integrity, and electronic signatures.
- Thermal ExcursionTemperature Excursion
- An event in which a temperature-sensitive product is exposed to conditions outside its validated storage or transport range. Each excursion consumes part of the product's stability budget and may require a documented impact assessment before the product can be released.
- Cold Chain
- The uninterrupted series of temperature-controlled storage and distribution activities that maintain a product within a required range from manufacture to point of use. Cold chain integrity is critical for vaccines, biologics, and other temperature-sensitive goods.
- Automated Release and Disposal
- The use of real-time stability data and regulatory thresholds to automatically determine whether a shipment should be released or quarantined, reducing manual quality-assurance bottlenecks while keeping a human in the loop for oversight.
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