2025 ICD-10-PCS Procedure Code 021L4Z9

• Bypass Ventricle, Left to Internal Mammary, Left with No Device, Percutaneous Endoscopic Approach
• ICD-10-PCS 021L4Z9 is a specific/billable code that can be used to indicate a procedure.

    

Section	0 - Medical and Surgical
Body System	2 - Heart and Great Vessels
Operation	1 - Bypass - Altering the route of passage of the contents of a tubular body part
Body Part	L - Ventricle, Left
Approach	4 - Percutaneous Endoscopic
Device	Z - No Device
Qualifier	9 - Internal Mammary, Left

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