01
What does it look for?
Read the short description to see what each test measures and whether it relates to your question.
Testing reference library
Testing
A grounded guide to what different tests look for — helping you understand what may be useful, what each test can (and cannot) tell you, and where they fit into the bigger picture.
Browse testing options ↓Understanding the options
Start with a clearer question.
02
What are its limits?
Open the details for context about the method and what a result can—and cannot—tell you.
03
Where can you learn more?
Use the linked labs and resources to review collection instructions and discuss suitable options with a qualified professional.
Explore the reference
All testing options
Reading results
No single test tells
the whole story.
Testing is most useful when results are considered alongside the question being investigated, exposure history, and the limits of the method.
01
Return to your question
Consider what you wanted to understand and whether the test addresses that question.
02
Keep the context
Bring together your exposure history, observations, and the limits of the testing method.
03
Discuss the next step
Bring your observations and results to an appropriate qualified professional.