03LN0ZZBillable procedure code
Occlusion of Left External Carotid Artery, Open Approach
Medical and Surgical·Upper Arteries·Table 03L·FY 2027
In ICD-10-PCS, code 03LN0ZZ describes Occlusion of Left External Carotid Artery, Open Approach. This procedure is listed in table 03L, part of Section 0 (Medical and Surgical). Its root operation is Occlusion. The approach used is Open.
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What the code means
Occlusion: root operation
Completely closing an orifice or the lumen of a tubular body part
The orifice can be a natural orifice or an artificially created orifice
Includes: Fallopian tube ligation, ligation of inferior vena cava
Open: approach
Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure