From pre-COVID experience, these codes have variable or even no reimbursement depending on your State and payers. I am attaching an interesting article on this from 2008.
Agree with Fadi
Attaching 2 things from smfm coding resources
our 2019 coding tip on 'remote' monitoring
our 2020 update with covid and remote monitoring... as we all moved as much of our 'in-person' visits 'remote' --> this one gives you examples with GDM