099P3ZXDrainage of Accessory Sinus, Percutaneous Approach, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 099P3ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

099P3ZX is a billable ICD-10-PCS procedure code for Drainage of Accessory Sinus, Percutaneous 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
099P3ZX
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Accessory Sinus, Percutaneous Approach, Diagnostic
Parent Code
Short Description
Drainage of Accessory Sinus, Percutaneous Approach, Diagn

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
4BodyPartPAccessory Sinus
5Approach3Percutaneous
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 099P3ZX under the General Equivalence Mappings.

22.11
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 099P7ZX — Drainage of Accessory Sinus, Via Opening, Diagn

Similar Procedure Codes

Questions About 099P3ZX

Is 099P3ZX a billable code?

Yes. 099P3ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Accessory Sinus, Percutaneous Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 099P3ZX mean?

099P3ZX 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 P is the BodyPart (Accessory Sinus); the 5th character 3 is the Approach (Percutaneous); 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 099P3ZX?

Under the General Equivalence Mappings, Drainage of Accessory Sinus, Percutaneous Approach, Diagnostic crosswalks to ICD-9-PCS 22.11. The mapping is approximate, so confirm it fits the documentation.