Infect/inflm reaction due to unsp int joint prosth, sequela

This code signifies a chronic or residual inflammatory response or infection related to an unspecified internal joint prosthesis. It indicates that the initial acute phase of the infection or inflammation has passed, but the patient continues to experience ongoing issues directly attributable to the prosthetic joint.

Apply this code for patients presenting with persistent symptoms such as chronic pain, swelling, or limited function in a joint with a previously implanted prosthesis, where an infection or inflammatory reaction is the underlying cause. This is appropriate when the acute infection has been treated, but the sequelae persist, or when the inflammatory response is chronic without an acute infectious flare-up.

• Ensure documentation clearly links the ongoing symptoms to the prosthetic joint and specifies the sequela nature.
• Do not use for acute infections or inflammatory reactions; those require codes from the initial encounter or acute phase.
• Verify that the specific type of joint prosthesis is not documented; if it is, a more specific code from the T84.5- series should be used.