When to be concerned?

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Here is a good link to FAQs that mention aftercare:

X-Series Implantable Transponder FAQ

Transponder Information What’s the difference between RFID and NFC? How do passive transponders work? What can I do with my transponder? Transponder Safety I play sports, rock climb, etc. How durable are x-series transponders? What about MRI compatibility? Can I still have diagnostic procedures done? Are induction ovens safe to use? What about tesla coils? What about airport security, metal detectors, & security checkpoints? Installation Procedure How are x-series tags installed? Does the …