Devices, systems, and methods for optical analysis of biological samples

A system comprising:

• one or more analytical modules, each configured for receiving a corresponding microfluidic disc and performing optical analysis of a corresponding biological sample,
• wherein the one or more analytical modules comprise a plurality of analytical modules, the plurality of analytical modules capable of performing a full suite of tests, and
• wherein the one or more analytical modules comprise:
• a first analytical module configured for receiving a first microfluidic disc and measuring one or more hematological parameters;
• a second analytical module configured for receiving a second microfluidic disc and performing an immunoassay;
• a third analytical module configured for receiving a third microfluidic disc and performing a clinical chemistry analysis;
• or
• any combination thereof.