L1851 Knee orthosis (ko), 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, off-the-shelf

Billable / valid for submission HCPCS Release 2026Q3

Short description: Ko single upright prefab ots

Version history

Related codes in L18

• L1810 Knee orthosis, elastic with joints, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise
• L1812 Knee orthosis, elastic with joints, prefabricated, off-the-shelf
• L1820 Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise
• L1821 Knee orthosis, elastic with condylar pads and joints, with or without patellar control, prefabricated, off the shelf
• L1830 Knee orthosis, immobilizer, canvas longitudinal, prefabricated, off-the-shelf
• L1831 Knee orthosis, locking knee joint(s), positional orthosis, prefabricated, includes fitting and adjustment
• L1832 Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise
• L1833 Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated, off-the shelf
• L1834 Knee orthosis, without knee joint, rigid, custom fabricated
• L1836 Knee orthosis, rigid, without joint(s), includes soft interface material, prefabricated, off-the-shelf
• L1840 Knee orthosis, derotation, medial-lateral, anterior cruciate ligament, custom fabricated
• L1843 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
• L1844 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, custom fabricated
• L1845 Knee orthosis, double 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
• L1846 Knee orthosis, double upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, custom fabricated
• L1847 Knee orthosis, double upright with adjustable joint, with inflatable air support chamber(s), prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise
• L1848 Knee orthosis, double upright with adjustable joint, with inflatable air support chamber(s), prefabricated, off-the-shelf
• L1850 Knee orthosis, swedish type, prefabricated, off-the-shelf
• L1852 Knee orthosis (ko), double 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, off-the-shelf
• L1860 Knee orthosis, modification of supracondylar prosthetic socket, custom fabricated (sk)

All L18 codes →