Blister (nonthermal), right lower leg, initial encounter

This code signifies a non-burn related blister located on the patient's right lower leg. This type of blister typically results from friction, pressure, or a localized skin reaction, rather than exposure to heat, cold, or chemicals. The "initial encounter" designation indicates that this is the first time the patient is receiving active treatment for this specific condition.

Use this code for patients presenting with a newly diagnosed or acutely treated blister on their right lower leg that is not caused by thermal injury. Examples include blisters from ill-fitting shoes, prolonged pressure, or contact dermatitis where the blister is the primary complaint. This code is appropriate when the patient is first seen for evaluation and management of this specific blister.

• Ensure the blister is explicitly documented as non-thermal and located on the right lower leg.
• Verify that this is the initial encounter for this specific blister, not a subsequent visit for ongoing care.
• Consider additional codes for underlying causes (e.g., ill-fitting footwear, contact dermatitis) if documented.