What does "Levels of L4-L5" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Levels of L4-L5" refers to a specific area in the lower back. The spine is divided into several sections, and the L4-L5 level is in the lumbar, or lower, section. This area is often the site of back pain or injury. The term "L4-L5" specifically refers to the two vertebrae in the spine and the space between them.
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