099330ZDrainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 099330Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

099330Z is a billable ICD-10-PCS procedure code for Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT drainage (excluding myringotomy).

Code Identity

ICD-10-PCS Code
099330Z
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach
Short Description
Drain of R Ext Auditory Canal with Drain Dev, Perc Approach
Parent Code

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System9Ear, Nose, Sinus
3Operation9Drainage
4BodyPart3External Auditory Canal, Right
5Approach3Percutaneous
6Device0Drainage Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Drainage, Ear, External Auditory Canal, Right
Leads to this code's table

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT006
ENT drainage (excluding myringotomy)
Clinical domain: Ear, Nose, and Throat Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

18.02
Incision of external auditory canal
Approximate match.

Similar Procedure Codes

Questions About 099330Z

Is 099330Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 099330Z mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 9 is the Body System (Ear, Nose, Sinus); the 3rd character 9 is the Operation (Drainage); the 4th character 3 is the BodyPart (External Auditory Canal, Right); the 5th character 3 is the Approach (Percutaneous); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 099330Z?

Under the General Equivalence Mappings, Drainage of Right External Auditory Canal with Drainage Device, Percutaneous Approach crosswalks to ICD-9-PCS 18.02 (Incision of external auditory canal). The mapping is approximate, so confirm it fits the documentation.