In simple words: This code is for a special clamp used during dialysis (a kidney treatment).The doctor uses one clamp per patient, and this code is used for billing purposes for each clamp.

This HCPCS code represents a venous pressure clamp used during hemodialysis.Hemodialysis is a procedure to remove waste products from the blood of patients with kidney failure. The clamp controls fluid levels in the venous drip chamber during dialysis.One code is reported for each venous pressure clamp used per patient.

Example 1: A patient undergoing hemodialysis requires two venous pressure clamps to manage blood flow effectively.Each clamp would be billed using code A4918., During a hemodialysis session, one venous pressure clamp malfunctions. The provider replaces it with a new clamp.Two instances of A4918 would be reported., A patient requires a prolonged hemodialysis session, utilizing three venous pressure clamps throughout the procedure. Three units of A4918 would be billed.

Documentation should include the patient's diagnosis necessitating hemodialysis, the number of venous pressure clamps used, and the provider's notes indicating their use and necessity during the dialysis procedure.The medical record should also justify the medical necessity of the dialysis and the appropriate number of clamps used.

** This code is specific to venous pressure clamps used during hemodialysis.Other dialysis supplies require different HCPCS codes.Ensure proper documentation to support the medical necessity and quantity of clamps used.