ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group XW0D includes procedures performed to introduce therapeutic, diagnostic, nutritional, physiological, or prophylactic substances into the mouth and pharynx. These ICD-10-PCS codes are used for inpatient documentation when a substance is intentionally placed into the oral cavity or pharyngeal area for treatment, diagnosis, or nutritional support. Accurate coding within the ICD-10-PCS XW0D group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Mouth And Pharynx Introduction Procedure Overview

Procedures in this group involve the introduction of therapeutic, diagnostic, nutritional, physiological, or prophylactic substances into the mouth and pharynx. These procedures target the anatomical regions of the mouth and pharynx and are coded in the New Technology section of ICD-10-PCS. Accurate coding ensures inpatient records reflect the specific introduction procedure performed and supports correct reimbursement and case mix classification.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
X	Section	New Technology
W	Body System	Anatomical Regions
0	Operation	Introduction
D	Body Part	Mouth and Pharynx

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ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview

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Mouth And Pharynx Introduction Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
X	Section	New Technology
W	Body System	Anatomical Regions
0	Operation	Introduction
D	Body Part	Mouth and Pharynx

When to Use

Use a code from this group when a clinician introduces a substance into the oral cavity or pharynx as part of inpatient care. These codes apply when the primary intent is therapeutic, diagnostic, nutritional, physiological, or prophylactic introduction of a substance.

ICD-10-PCS Codes

9 rows

ICD-10-PCS Code	Description
XW0DX38	Introduction of Maribavir Anti-infective into Mouth and Pharynx, External Approach, New Technology Group 8
XW0DX82	Introduction of Uridine Triacetate into Mouth and Pharynx, External Approach, New Technology Group 2
XW0DXF5	Introduction of Other New Technology Therapeutic Substance into Mouth and Pharynx, External Approach, New Technology Group 5
XW0DXJ9	Introduction of Quizartinib Antineoplastic into Mouth and Pharynx, External Approach, New Technology Group 9
XW0DXK8	Introduction of Sabizabulin into Mouth and Pharynx, External Approach, New Technology Group 8
XW0DXM6	Introduction of Baricitinib into Mouth and Pharynx, External Approach, New Technology Group 6
XW0DXN9	Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9
XW0DXR7	Introduction of Fostamatinib into Mouth and Pharynx, External Approach, New Technology Group 7
XW0DXVB	Introduction of Xanomeline and Trospium Chloride into Mouth and Pharynx, External Approach, New Technology Group 11

Typical Clinical Scenarios

An immunocompromised pediatric patient with congenital athymia is admitted for evaluation and preparation for thymic tissue implantation to restore T-cell function; during inpatient care, clinicians introduce engineered allogeneic thymus tissue into the oral cavity and pharynx as part of a staged immunologic reconstitution protocol where the mouth and pharynx serve as the access site for localized delivery. Typical codes: XW0DXF5
An adult hospitalized for severe adverse effects from systemic infection receives targeted therapeutic thymus-derived biologic delivered into the pharynx to modulate local immune response after failure of conventional therapies; this planned inpatient procedure uses a novel therapeutic substance introduced via the oral/pharyngeal route under New Technology provisions. Typical codes: XW0DXM6, XW0DXR7
A patient developing treatment-resistant autoimmune manifestations after bone marrow transplant requires a specially formulated thymic-derived agent introduced into the mouth and pharynx to attempt immune recalibration; performed during an inpatient admission for close monitoring of immune response and potential complications, the procedure introduces a new-technology therapeutic substance into the oral/pharyngeal region. Typical codes: XW0DXVB, XW0DXN9

Related Codes

XW00-SKIN-INTRODUCTION

ICD-10-PCS Code For Skin: Procedure Code Group Overview

XW01-SUBCUTANEOUS-TISSUE-INTRODUCTION

ICD-10-PCS Code For Subcutaneous Tissue: Procedure Code Group Overview

XW02-MUSCLE-INTRODUCTION

ICD-10-PCS Code For Muscle: Procedure Code Group Overview

XW03-PERIPHERAL-VEIN-INTRODUCTION

ICD-10-PCS Code For Peripheral Vein: Procedure Code Group Overview

XW04-CENTRAL-VEIN-INTRODUCTION

ICD-10-PCS Code For Central Vein: Procedure Code Group Overview

XW05-PERIPHERAL-ARTERY-INTRODUCTION

ICD-10-PCS Code For Peripheral Artery: Procedure Code Group Overview

XW06-CEREBRAL-VENTRICLE-INTRODUCTION

ICD-10-PCS Code For Cerebral Ventricle: Procedure Code Group Overview

XW0E-EAR-INTRODUCTION-EAR-S-INTRODUCTION

ICD-10-PCS Code For Ear(s): Procedure Code Group Overview

XW0G-UPPER-GI-INTRODUCTION

ICD-10-PCS Code For Upper Gi: Procedure Code Group Overview

XW0H-LOWER-GI-INTRODUCTION

ICD-10-PCS Code For Lower GI: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

9 rows

ICD-10-PCS Code	Description
XW0DX38	Introduction of Maribavir Anti-infective into Mouth and Pharynx, External Approach, New Technology Group 8
XW0DX82	Introduction of Uridine Triacetate into Mouth and Pharynx, External Approach, New Technology Group 2
XW0DXF5	Introduction of Other New Technology Therapeutic Substance into Mouth and Pharynx, External Approach, New Technology Group 5
XW0DXJ9	Introduction of Quizartinib Antineoplastic into Mouth and Pharynx, External Approach, New Technology Group 9
XW0DXK8	Introduction of Sabizabulin into Mouth and Pharynx, External Approach, New Technology Group 8
XW0DXM6	Introduction of Baricitinib into Mouth and Pharynx, External Approach, New Technology Group 6
XW0DXN9	Introduction of SER-109 into Mouth and Pharynx, External Approach, New Technology Group 9
XW0DXR7	Introduction of Fostamatinib into Mouth and Pharynx, External Approach, New Technology Group 7
XW0DXVB	Introduction of Xanomeline and Trospium Chloride into Mouth and Pharynx, External Approach, New Technology Group 11

Typical Clinical Scenarios

An immunocompromised pediatric patient with congenital athymia is admitted for evaluation and preparation for thymic tissue implantation to restore T-cell function; during inpatient care, clinicians introduce engineered allogeneic thymus tissue into the oral cavity and pharynx as part of a staged immunologic reconstitution protocol where the mouth and pharynx serve as the access site for localized delivery. Typical codes: XW0DXF5
An adult hospitalized for severe adverse effects from systemic infection receives targeted therapeutic thymus-derived biologic delivered into the pharynx to modulate local immune response after failure of conventional therapies; this planned inpatient procedure uses a novel therapeutic substance introduced via the oral/pharyngeal route under New Technology provisions. Typical codes: XW0DXM6, XW0DXR7
A patient developing treatment-resistant autoimmune manifestations after bone marrow transplant requires a specially formulated thymic-derived agent introduced into the mouth and pharynx to attempt immune recalibration; performed during an inpatient admission for close monitoring of immune response and potential complications, the procedure introduces a new-technology therapeutic substance into the oral/pharyngeal region. Typical codes: XW0DXVB, XW0DXN9

Related Codes

XW00-SKIN-INTRODUCTION

ICD-10-PCS Code For Skin: Procedure Code Group Overview

XW01-SUBCUTANEOUS-TISSUE-INTRODUCTION

ICD-10-PCS Code For Subcutaneous Tissue: Procedure Code Group Overview

XW02-MUSCLE-INTRODUCTION

ICD-10-PCS Code For Muscle: Procedure Code Group Overview

XW03-PERIPHERAL-VEIN-INTRODUCTION

ICD-10-PCS Code For Peripheral Vein: Procedure Code Group Overview

XW04-CENTRAL-VEIN-INTRODUCTION

ICD-10-PCS Code For Central Vein: Procedure Code Group Overview

XW05-PERIPHERAL-ARTERY-INTRODUCTION

ICD-10-PCS Code For Peripheral Artery: Procedure Code Group Overview

XW06-CEREBRAL-VENTRICLE-INTRODUCTION

ICD-10-PCS Code For Cerebral Ventricle: Procedure Code Group Overview

XW0E-EAR-INTRODUCTION-EAR-S-INTRODUCTION

ICD-10-PCS Code For Ear(s): Procedure Code Group Overview

XW0G-UPPER-GI-INTRODUCTION

ICD-10-PCS Code For Upper Gi: Procedure Code Group Overview

XW0H-LOWER-GI-INTRODUCTION

ICD-10-PCS Code For Lower GI: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview policy alerts

Mouth And Pharynx Introduction Procedure Overview

Code Attributes

ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Mouth And Pharynx: Procedure Code Group Overview policy alerts

Mouth And Pharynx Introduction Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS XW0D code group?

What are the key attributes of codes in the XW0D group?

Can you list the individual ICD-10-PCS codes in this group?

How does accurate coding in XW0D affect inpatient documentation and reimbursement?

Are these XW0D codes limited to therapeutic substances only?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS XW0D code group?

What are the key attributes of codes in the XW0D group?

Can you list the individual ICD-10-PCS codes in this group?

How does accurate coding in XW0D affect inpatient documentation and reimbursement?

Are these XW0D codes limited to therapeutic substances only?

References