L1843
HCPCSKo single upright pre cst
Official HCPCS Level II long descriptor
Knee orthosis, single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise
HCPCS Level II code L1843 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Ko single upright pre cst
Added to HCPCS: 1998-01-01
Nearby codes in L1
- L1821Ko elas w/ condyle pads otf
- L1830Ko immob canvas long pre ots
- L1831Knee orth pos locking joint
- L1832Ko adj jnt pos r sup pre cst
- L1833Ko adj jnt pos r sup pre ots
- L1834Ko w/0 joint rigid molded to
- L1836Ko rigid w/o joints pre ots
- L1840Ko derot ant cruciate custom
- L1844Ko w/adj jt rot cntrl molded
- L1845Ko double upright pre cst
- L1846Ko w adj flex/ext rotat mold
- L1847Ko dbl upright w/air pre cst
- L1848Ko dbl upright w/air pre ots
- L1850Ko swedish type pre ots
- L1851Ko single upright prefab ots
- L1852Ko double upright prefab ots
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.