Obst due to fb acc left in body fol inject or immuniz, sqla

This code describes a long-term complication arising from an obstruction caused by a foreign object that was unintentionally retained in the body after an injection or immunization procedure. This obstruction is not an immediate event but rather a subsequent issue manifesting after the initial procedure.

Use this code when a patient presents with symptoms of an obstruction (e.g., pain, swelling, impaired function) that is directly attributable to a foreign body (e.g., a broken needle fragment, a piece of catheter) left behind during a prior injection or immunization. This code is specifically for the sequela, meaning the late effect or complication, of such an event.

• Always assign this code as a secondary diagnosis, following the code for the specific type of obstruction.
• Ensure documentation clearly links the obstruction to a foreign body from a past injection or immunization.
• Verify that the "S" seventh character is appropriate for a sequela, indicating a late effect.