Transfemoral
Pronunciation: trans-FEM-or-al
Relating to or describing an amputation or prosthesis at the level of the femur, colloquially known as above-knee.
Full Definition
The adjective 'transfemoral' describes any amputation through the femoral shaft, resulting in a residual limb of varying length above the knee joint. It is the preferred clinical and editorial term over the lay expression 'above-knee amputation,' following the nomenclature standardised by the International Society for Prosthetics and Orthotics (ISPO). Editors should ensure consistency of this term throughout a document and flag any inconsistent use of 'above-knee' or 'AK' in formal clinical or insurance texts. The corresponding L-code category in US Medicare billing is L5100–L5230.
Usage
Usage note: Prefer 'transfemoral' over 'above-knee' in clinical and formal editorial contexts. 'AK' is acceptable in highly abbreviated clinical shorthand but should be expanded on first use in patient-facing or submission documents.
In Context
- "The functional outcome data compared ambulation speeds for transfemoral prosthesis users with and without a microprocessor knee unit." — Clinical research abstract
- "Editors should change 'above-knee amputee' to 'transfemoral amputee' or, preferably, 'person with a transfemoral amputation' per the journal's person-first style guide." — Editorial style guide note