2025 ICD-10-PCS Procedure Code 099C0ZX

• Drainage Mastoid Sinus, Left to Diagnostic with No Device, Open Approach
• ICD-10-PCS 099C0ZX is a specific/billable code that can be used to indicate a procedure.

   

Section	0 - Medical and Surgical
Body System	9 - Ear, Nose, Sinus
Operation	9 - Drainage - Taking or letting out fluids and/or gases from a body part
Body Part	C - Mastoid Sinus, Left
Approach	0 - Open
Device	Z - No Device
Qualifier	X - Diagnostic

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