Unstable burst fracture of first lumbar vertebra, sequela

This code signifies a past, severe injury to the first lumbar vertebra (L1) where the vertebral body was crushed and expanded, indicating an unstable fracture. The "sequela" designation means this code is used for complications or conditions arising directly from the original injury, even after the acute phase has passed. These persistent issues can include chronic pain, neurological deficits, or spinal deformity.

Apply this code when documenting ongoing health problems directly attributable to a previously sustained unstable burst fracture of the L1 vertebra. This is appropriate for follow-up encounters where the patient is being treated for long-term effects of the injury, rather than the initial acute fracture. Examples include managing post-laminectomy syndrome or chronic radiculopathy stemming from the original trauma.

• Always use this code as a secondary diagnosis, following the code for the specific sequela being treated.
• Ensure documentation clearly links the current condition to the prior L1 burst fracture.
• Do not use this code for the initial acute injury; it is exclusively for residual effects.