Underdosing of tetracyclines, initial encounter

This code signifies a patient's condition resulting from not taking enough of a prescribed tetracycline antibiotic, leading to an inadequate therapeutic effect or treatment failure. It specifically points to the initial phase of care for this underdosing event.

Apply this code when a patient presents with symptoms or a worsening infection due to non-compliance with a tetracycline regimen, and the encounter represents the first time this specific underdosing issue is being addressed. This is appropriate for situations where the physician is initiating treatment or management for the underdosing.

• Ensure the documentation clearly states the patient's non-adherence to a prescribed tetracycline.
• Verify that this is indeed the initial encounter for managing the underdosing complication.
• Always code the specific tetracycline if known and documented, in addition to this underdosing code.