high impact, stress, or energy levels, typical of the prosthetic demands of the

K4003 (“high impact, stress, or energy levels, typical of the prosthetic demands of the”) is a code used to bill for equipment, supplies, drugs, or non-physician services in the HCPCS Level II code set. Whether it is billed — and whether a payer covers it — depends on the clinical setting, documentation, and plan rules.