Should I use 402 for methods that allow payment?

Ι have the following question:
https://softwareengineering.stackexchange.com/q/436150/249660

And I was thinking if it is good to utilize the 402 despite being expiremental. Is it used despite being an expiremental status code?

The idea was to make an appointment system and if for an appointment needs a beforehand payment to use the 402 status code.