Final answer:
The use of modifier 50 for bilateral procedures should be billed on one line with modifier 50 when no specific bilateral code exists, and typically reimburses at 150% of the single procedure fee. Providers must follow specific payer billing guidelines to ensure correct usage.
Step-by-step explanation:
When using modifier 50 for billing purposes, and no special bilateral procedure code is available, additional guidelines from the Correct Coding Initiative (CCI) state that the procedure code should be billed on a single line item with modifier 50 attached to indicate that it is a bilateral procedure. In this context, the reimbursement rate is typically 150% of the single procedure fee: 100% for the first side and 50% for the second side. It is crucial for healthcare providers to familiarize themselves with the specific billing guidelines of the payer as these can vary. Always consult the payer's policy to ensure correct usage of modifier 50 to prevent claim denials or payment delays.