What is the cpt code for a prosthetic arm?

The CPT code for a prosthetic arm typically falls under the range of Limb Prosthetics, specifically codes 21110-21120 for upper limb prosthetics. The exact code may vary depending on the specific type and complexity of the prosthetic device. It's essential to refer to the most current CPT codebook or guidelines for precise coding based on the patient's needs and the specifics of the prosthetic arm.