3E0DXRZIntroduction of Antiarrhythmic into Mouth and Pharynx, External Approach

Administration›Physiological Systems and Anatomical Regions›Introduction
  • Billable / Specific Code
ICD-10-PCS 3E0DXRZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

3E0DXRZ is a billable ICD-10-PCS procedure code for Introduction of Antiarrhythmic into Mouth and Pharynx, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Introduction involves putting in or on a therapeutic, diagnostic, nutritional, physiological, or prophylactic substance except blood or blood products. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Administration of therapeutic substances, NEC.

Code Identity

ICD-10-PCS Code
3E0DXRZ
Billable Status
Yes — Valid for Submission
Code Describes
Introduction of Antiarrhythmic into Mouth and Pharynx, External Approach
Short Description
Introduce of Antiarrhythmic into Mouth/Phar, Extern Approac
Parent Code
3E0

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
1Section3Administration
2Body SystemEPhysiological Systems and Anatomical Regions
3Operation0Introduction
4BodySystem/RegionDMouth and Pharynx
5ApproachXExternal
6SubstanceRAntiarrhythmic
7QualifierZNo Qualifier

Clinical Classification (CCSR)

AHRQ groups 3E0DXRZ into these clinical categories.

ADM021
Administration of therapeutic substances, NEC
Clinical domain: Administration of Therapeutic Substances

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 3E0DXRZ under the General Equivalence Mappings.

99.29
Approximate match.

Similar Procedure Codes

Questions About 3E0DXRZ

Is 3E0DXRZ a billable code?

Yes. 3E0DXRZ is a complete seven-character ICD-10-PCS code, specific enough to report Introduction of Antiarrhythmic into Mouth and Pharynx, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 3E0DXRZ mean?

3E0DXRZ breaks down character by character: the 1st character 3 is the Section (Administration); the 2nd character E is the Body System (Physiological Systems and Anatomical Regions); the 3rd character 0 is the Operation (Introduction); the 4th character D is the BodySystem/Region (Mouth and Pharynx); the 5th character X is the Approach (External); the 6th character R is the Substance (Antiarrhythmic); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 3E0DXRZ?

Under the General Equivalence Mappings, Introduction of Antiarrhythmic into Mouth and Pharynx, External Approach crosswalks to ICD-9-PCS 99.29. The mapping is approximate, so confirm it fits the documentation.