Blister (nonthermal), right hip, initial encounter

This code signifies the presence of a fluid-filled lesion on the right hip that is not caused by heat exposure. It indicates a localized collection of serous fluid under the epidermis, resulting from friction, pressure, or other non-thermal trauma.

Apply this code when documenting a newly diagnosed or treated non-thermal blister on a patient's right hip. This is appropriate for the initial visit where the blister is assessed and a treatment plan is initiated.

• Ensure documentation clearly specifies the right hip as the anatomical site.
• Verify the blister's etiology is explicitly non-thermal to differentiate from burns.
• Confirm this is the first encounter for this specific blister to justify the "A" seventh character.