The documentation states:He was then sterilely prepped and draped along the flank and abdomen in...

The documentation describes making a skin incision off the tip of the twelfth rib and extending medially along the banger’s lines of the skin. The use of electrocautery to gain access through multiple layers of musculature and fascia indicates an open surgical approach. Open surgery involves making a large incision to expose and directly view the surgical site. This is distinct from percutaneous (which involves needles or catheters), laparoscopic (which uses small incisions and a camera), and other minimally invasive techniques.

AMA's CPT® Professional Edition, ICD-10-CM, and HCPCS Level II (current year)