L5646
HCPCSBelow knee cushion socket
Official HCPCS Level II long descriptor
Addition to lower extremity, below knee, air, fluid, gel or equal, cushion socket
HCPCS Level II code L5646 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Below knee cushion socket
Added to HCPCS: 1986-01-01
Nearby codes in L5
- L5637Below knee total contact
- L5638Below knee leather socket
- L5639Below knee wood socket
- L5640Knee disarticulat leather so
- L5642Above knee leather socket
- L5643Hip flex inner socket ext fr
- L5644Above knee wood socket
- L5645Bk flex inner socket ext fra
- L5647Below knee suction socket
- L5648Above knee cushion socket
- L5649Isch containmt/narrow m-l so
- L5650Tot contact ak/knee disart s
- L5651Ak flex inner socket ext fra
- L5652Suction susp ak/knee disart
- L5653Knee disart expand wall sock
- L5654Socket insert symes
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.