CPT® Code 51101

The procedure described by CPT® Code 51101 refers to the aspiration of the bladder using a trocar or intracatheter. This medical intervention involves the insertion of a needle through the skin in the suprapubic area, which is the region located just above the pubic bone. The purpose of this procedure is to access the bladder directly to extract a small volume of urine, typically for diagnostic purposes such as urinalysis or culture, particularly when a urinary tract infection is suspected. In this specific procedure, a small incision is made in the skin to facilitate the insertion of a trocar or intracatheter, which is a specialized instrument designed for accessing the bladder. Once the trocar or intracatheter is in place, urine is aspirated from the bladder. This method is particularly useful when traditional methods of urine collection are not feasible or when a more direct approach is required. It is important to note that this procedure requires a minimum aspiration of 2 mL of urine to ensure adequate sample collection for testing. The distinction between this code and others, such as CPT® Code 51100, which refers to needle aspiration without the use of a trocar or intracatheter, is crucial for accurate medical coding and billing.