XW0DXN9Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9

New Technology›Anatomical Regions›Introduction
  • Billable / Specific Code
ICD-10-PCS XW0DXN9
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

XW0DXN9 is a billable ICD-10-PCS procedure code for Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Introduction involves putting in or on a therapeutic, diagnostic, nutritional, physiological, or prophylactic substance except blood or blood products. The Alphabetic Index lists this code under SER-109. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Administration of therapeutic substances, NEC.

Code Identity

ICD-10-PCS Code
XW0DXN9
Billable Status
Yes — Valid for Submission
Code Describes
Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9
Short Description
Introduce SER-109 in Mouth/Phar, Extern, New Tech 9
Parent Code
XW0

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
1SectionXNew Technology
2Body SystemWAnatomical Regions
3Operation0Introduction
4BodyPartDMouth and Pharynx
5ApproachXExternal
6Device/Substance/TechnologyNSER-109
7Qualifier9New Technology Group 9

In the ICD-10-PCS Alphabetic Index

The FY 2027 ICD-10-PCS Alphabetic Index refers to XW0DXN9 as SER-109. These index entries lead to this code:

SER-109
Direct entry for this code
New Technology, SER-109
Direct entry for this code
VOWST(tm)
Anatomy or device term that leads here
Iloprost
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Sarilumab
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Posoleucel
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Rezafungin
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Treosulfan
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Baricitinib
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Sabizabulin
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Tocilizumab
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Caplacizumab
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COVID-19 Vaccine
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Inebilizumab-cdon
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Sulbactam-Durlobactam
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Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

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

Code History

Replaces previously assigned code(s):
  • 3E0DXGC — Introduce Oth Therap Subst in Mouth/Phar, Extern

Similar Procedure Codes

Questions About XW0DXN9

Is XW0DXN9 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9 on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for SER-109?

The ICD-10-PCS Alphabetic Index lists SER-109 under code XW0DXN9, Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9, billable on inpatient claims in fiscal year 2027.

What do the characters in XW0DXN9 mean?

The code breaks down character by character: the 1st character X is the Section (New Technology); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 0 is the Operation (Introduction); the 4th character D is the BodyPart (Mouth and Pharynx); the 5th character X is the Approach (External); the 6th character N is the Device/Substance/Technology (SER-109); the 7th character 9 is the Qualifier (New Technology Group 9).