No. L5301 describes a complete below-knee endoskeletal prosthesis with molded socket, shin, and SACH foot. For a replacement socket only, use the appropriate replacement code such as L5700 and include any related addition codes that apply.

HCPCS Code L5301: Below Knee, Molded Socket, Shin, SACH Foot, Endoskeletal System
Confused by L5301? Learn how to bill a BK endoskeletal prosthesis with a molded socket and SACH foot—docs, modifiers, add-ons. Read the full guide.
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Frequently asked questions
No. Material upgrades are not bundled into the base code. Report L5940 for ultra-light materials when documentation supports the need, and submit it with L5301 on the same claim.
No. L5999 is an unspecified code and should not replace specific base or addition codes when a defined descriptor exists. Using L5999 for features already covered by L5301 and its addition codes risks denials for incorrect coding.
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