# L5679: Prosthetics

- **HCPCS code:** L5679
- **CMS description:** Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism

## Service Type Codes to Send

1. [75 Prosthetic Device](https://www.verifytx.com/stc-lookup/service-types/75/)
2. [DM Durable Medical Equipment](https://www.verifytx.com/stc-lookup/service-types/DM/)

**Why these codes:** Prosthetic devices have their own STC; DME is the fallback.

**Sources:** CMS HCPCS Level II descriptor; X12 HIPAA 5010 service type code definitions; VerifyTX billing practice

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Canonical: https://www.verifytx.com/stc-lookup/procedure-codes/L5679/