Final answer:
Block 24 of the CMS-1500 claim form is designated for detailing procedures, services, and supplies, and it is essential for proper claim processing.
Step-by-step explanation:
The block on the CMS-1500 claim form that should be completed for procedures, services, and supplies is Block 24. This section is divided into several parts including dates of service, place of service, the procedures, services or supplies, charges, and the physician's or supplier's National Provider Identifier (NPI). Each service or procedure is listed on a separate line. It's crucial that information in this block is accurate to ensure proper payment and handling of the claim.