It also feels like these codes are also closer to stated preference data than revealed preference data. “Given this permutation of factors, we’d choose to bill

It also feels like these codes are also closer to stated preference data than revealed preference data. “Given this permutation of factors, we’d choose to bill X, but insurance companies dictated we actually paid Y.” Would be neat to see both kinds of rates with billing codes and actual billed procedures. Guessing there aren’t petabytes worth of actual procedures either.