Introducing FROM and THRU range ( When applicable ) for billing_codes in-network-rates

[narenlulla]

Discussed in #405

^{Originally posted by iGokul-G March 1, 2022}
Introducing a "FROM" and "THRU" range for billing_code might help reduce the record count only when applicable. Payers do use code ranges to represent services

[rgouldkc]

Good idea. We have LOTS of rates that apply to a range of billing codes for many providers. Some of the ranges are rather large.