Blister (nonthermal) of left hand, initial encounter

This code signifies a non-burn related blister located on the left hand. It indicates the initial presentation or active treatment phase of this specific injury. This type of blister is typically caused by friction, pressure, or chemical irritants rather than heat.

Apply this code when documenting the first encounter for a patient presenting with a blister on their left hand that is clearly not due to a burn. This includes blisters resulting from repetitive motion, ill-fitting gloves, or contact with irritating substances. Use for the period when the patient is receiving active treatment for the blister.

• Ensure the documentation clearly specifies "left hand" and confirms the blister is "nonthermal."
• Verify that this is indeed the initial encounter for this specific injury; subsequent encounters will require a different seventh character.
• Distinguish from thermal burns (T20-T32 series) and other skin conditions.