Inj intrinsic msl/tnd at ank/ft level, unsp foot, subs

This code signifies a documented injury to the small muscles and tendons located entirely within the foot, excluding the major extrinsic muscles that originate in the lower leg. This particular code is used for injuries that are not specifically categorized elsewhere, affecting an unspecified foot, and are being treated during a follow-up visit after initial care.

Apply this code for subsequent encounters when a patient presents for ongoing management of an intrinsic foot muscle or tendon injury, such as a sprain, strain, or partial tear, that doesn't fit a more specific ICD-10-CM code. This would include scenarios like physical therapy, follow-up imaging, or medication adjustments for a previously diagnosed "other specified" intrinsic foot injury.

• Ensure documentation clearly states "subsequent encounter" for ongoing treatment, not initial care.
• Confirm the injury is to an intrinsic foot muscle or tendon and not an extrinsic muscle or a ligament.
• Only use this code when a more specific intrinsic muscle/tendon injury code is unavailable in the S96.2 category.