Which of the following statements is not true regarding the categorization of improper payments?

The statement that billing based on time is not true regarding the categorization of improper payments is accurate because improper payments are typically assessed based on several criteria, including compliance with regulations and payer requirements, rather than merely the method of billing, such as time-based billing.

Billing based on time refers to how certain services are charged, particularly in professions where services are billed by the hour. However, the categorization of improper payments focuses more on whether the payment aligns with guidelines and regulations established by payers and government entities rather than the method of billing itself.

Understanding the context surrounding documentation, intentional and unintentional payments, and payer-specific rules is essential when assessing improper payments. For example, documentation serves as essential evidence of compliance and correctness in billing. In addition, improper payments can arise from both intentional actions—such as fraud—and unintentional mistakes, highlighting the complexity of payment categorization. Finally, payer-specific rules influence how payments are categorized and what constitutes an improper payment, reaffirming that it's not just about the billing method but compliance with regulations and guidelines.