Underdosing of intravenous anesthetics, subsequent encounter

This code indicates that a patient experienced an adverse effect due to receiving an insufficient amount of an intravenous anesthetic. This underdosing occurred during a subsequent encounter for the patient's care, meaning it's not the initial presentation of the underdosing. The patient may still be experiencing symptoms or complications from the initial underdosing event.

Use this code when documenting follow-up care for a patient who previously received an inadequate dose of an IV anesthetic, leading to an adverse outcome. This applies to situations where the patient is being seen for ongoing management of symptoms, complications, or monitoring related to the underdosing. It signifies that the underdosing event itself is not new, but the patient is still under active treatment or evaluation for its effects.

• Always use in conjunction with a code for the specific adverse effect or complication experienced by the patient.
• Ensure documentation clearly states that the underdosing was of an intravenous anesthetic and that this is a subsequent encounter.
• Distinguish from initial encounters (A) or sequela (S) for underdosing.