The following table describes symbols that may be displayed on Thermo Fisher Scientific instruments, consumables, or reagents.

SymbolDescriptionSymbolDescription
ManufacturerLower limit of temperature
Date of manufactureUpper limit of temperature
Use byUpper and lower limits of temperature
Batch codeUpper and lower limits of humidity
Catalog numberBiological risks
Serial numberDo not reuse
Fragile. Handle with care.Consult Instructions for Use
Protect from lightCaution
Contains sufficient for <n> testsSterilized using asceptic processing techniques
Read Safety Data SheetCountry of manufacture
Unique device identifierIn Vitro Diagnostic medical device
CAUTION: Federal law restricts this device to sale by or on order of a physicianIndicates conformity with European Union requirements
Authorised representative in the European communityIndicates conformity with United Kingdom requirements
For Investigational Use Only. The performance characteristics have not been established.Negative control
Positive controlContains biological material of animal origin
CorrosiveHealth hazard/Hazardous to the ozone layer
Serious health hazard