CPT® Code 51100

A needle aspiration of the bladder, identified by CPT® Code 51100, is a medical procedure that involves the insertion of a needle through the skin in the suprapubic area to access the bladder. This technique is primarily utilized to obtain a small volume of urine, typically at least 2 mL, for diagnostic purposes such as urinalysis and culture, particularly when a urinary tract infection is suspected. The procedure is performed under sterile conditions to minimize the risk of infection and is often indicated when other methods of urine collection are not feasible or have failed. The aspiration process is straightforward, requiring careful placement of the needle to ensure that it enters the bladder without causing injury to surrounding tissues. This procedure is distinct from other bladder aspiration techniques, such as those involving a trocar or intracatheter, which are coded differently (CPT® Codes 51101 and 51102). The simplicity and effectiveness of needle aspiration make it a valuable tool in the diagnostic arsenal for healthcare providers dealing with urinary issues.