09910ZXDrainage of Left External Ear, Open Approach, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 09910ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

09910ZX is a billable ICD-10-PCS procedure code for Drainage of Left External Ear, Open Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Drainage involves taking or letting out fluids and/or gases from a body part.

Code Identity

ICD-10-PCS Code
09910ZX
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Left External Ear, Open Approach, Diagnostic
Parent Code
Short Description
Drainage of Left External Ear, Open Approach, Diagnostic

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
4BodyPart1External Ear, Left
5Approach0Open
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 09910ZX under the General Equivalence Mappings.

18.12
Approximate match.

Similar Procedure Codes

Questions About 09910ZX

Is 09910ZX a billable code?

Yes. 09910ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Left External Ear, Open Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 09910ZX mean?

09910ZX 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 1 is the BodyPart (External Ear, Left); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).

What is the ICD-9-PCS equivalent of 09910ZX?

Under the General Equivalence Mappings, Drainage of Left External Ear, Open Approach, Diagnostic crosswalks to ICD-9-PCS 18.12. The mapping is approximate, so confirm it fits the documentation.