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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group DWY2 includes procedures performed to deliver other types of radiation therapy to anatomical regions in the chest. These ICD-10-PCS codes are used for inpatient documentation when patients receive nonstandard, adjunctive, or specialized radiation treatments targeting chest structures. Accurate coding within the ICD-10-PCS DWY2 group is essential for proper inpatient reimbursement, as it captures the specific radiation procedure performed and supports clinical documentation accuracy.

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Chest Other Radiation Procedure Overview

Procedures in the Chest Other Radiation group deliver targeted radiation therapy to anatomical regions of the chest, including the lungs, mediastinum, and surrounding structures. These procedures fall under the Radiation Therapy section of ICD-10-PCS and involve nonstandard or adjunctive radiation techniques that do not fit the primary radiation delivery categories. Accurate coding identifies the body part targeted and the radiation operation performed, which is important for inpatient reimbursement and clinical documentation. Proper selection ensures the inpatient record reflects the therapy provided and supports appropriate case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
D	Section	Radiation Therapy
W	Body System	Anatomical Regions
Y	Operation	Other Radiation
2	Body Part	Chest

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

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Chest Other Radiation Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
D	Section	Radiation Therapy
W	Body System	Anatomical Regions
Y	Operation	Other Radiation
2	Body Part	Chest

When to Use

Use a code from this group when an inpatient receives an other radiation procedure directed at chest anatomy, such as nonstandard or adjunctive radiation techniques. Assign these codes when documentation specifically indicates radiation therapy targeting chest structures under the Radiation Therapy section of ICD-10-PCS.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
DWY27ZZ	Contact Radiation of Chest
DWY28ZZ	Hyperthermia of Chest
DWY2FZZ	Plaque Radiation of Chest

Typical Clinical Scenarios

A patient with a peripheral bronchogenic carcinoma in the lung develops symptomatic local tumor progression after external beam radiation and chemotherapy; the oncology team admits the patient for a focused, surface-contact applicator treatment to deliver localized radiation directly to the chest wall lesion to control pain and tumor burden. This inpatient encounter is for delivery of contact radiation targeting chest structures when more conventional external beam approaches are not appropriate. Typical codes: DWY27ZZ
An adult with recurrent pleural mesothelioma and bulky pleural-based disease is hospitalized for an adjunctive chest-directed hyperthermia session combined with radiation to enhance tumor radiosensitivity; the procedure is performed in the inpatient setting as part of a multimodality salvage plan. Use of chest hyperthermia as an other radiation technique to augment therapeutic effect is captured while the patient remains admitted. Typical codes: DWY28ZZ
A patient with an ocular melanoma metastasis involving the chest wall or ribs undergoes inpatient placement of a temporary radioactive plaque to deliver high-dose localized radiation to the chest lesion following surgical debulking; the admission is for procedural radiation management and close monitoring of local tissue effects. This describes plaque radiation applied to chest anatomy when a sealed source is positioned at the site to treat residual disease. Typical codes: DWY2FZZ

Related Codes

DWY1-HEAD-AND-NECK-OTHER-RADIATION

ICD-10-PCS Code For Head And Neck: Procedure Code Group Overview

DWY3-ABDOMEN-OTHER-RADIATION

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

DWY4-HEMIBODY-OTHER-RADIATION

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

DWY5-WHOLE-BODY-OTHER-RADIATION

ICD-10-PCS Code For Whole Body: Procedure Code Group Overview

DWY6-PELVIC-REGION-OTHER-RADIATION-PELVIC-REGION-OTHER-RADIATION

ICD-10-PCS Code For Pelvic Region: Procedure Code Group Overview

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

3 rows

ICD-10-PCS Code	Description
DWY27ZZ	Contact Radiation of Chest
DWY28ZZ	Hyperthermia of Chest
DWY2FZZ	Plaque Radiation of Chest

Typical Clinical Scenarios

A patient with a peripheral bronchogenic carcinoma in the lung develops symptomatic local tumor progression after external beam radiation and chemotherapy; the oncology team admits the patient for a focused, surface-contact applicator treatment to deliver localized radiation directly to the chest wall lesion to control pain and tumor burden. This inpatient encounter is for delivery of contact radiation targeting chest structures when more conventional external beam approaches are not appropriate. Typical codes: DWY27ZZ
An adult with recurrent pleural mesothelioma and bulky pleural-based disease is hospitalized for an adjunctive chest-directed hyperthermia session combined with radiation to enhance tumor radiosensitivity; the procedure is performed in the inpatient setting as part of a multimodality salvage plan. Use of chest hyperthermia as an other radiation technique to augment therapeutic effect is captured while the patient remains admitted. Typical codes: DWY28ZZ
A patient with an ocular melanoma metastasis involving the chest wall or ribs undergoes inpatient placement of a temporary radioactive plaque to deliver high-dose localized radiation to the chest lesion following surgical debulking; the admission is for procedural radiation management and close monitoring of local tissue effects. This describes plaque radiation applied to chest anatomy when a sealed source is positioned at the site to treat residual disease. Typical codes: DWY2FZZ

Related Codes

DWY1-HEAD-AND-NECK-OTHER-RADIATION

ICD-10-PCS Code For Head And Neck: Procedure Code Group Overview

DWY3-ABDOMEN-OTHER-RADIATION

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

DWY4-HEMIBODY-OTHER-RADIATION

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

DWY5-WHOLE-BODY-OTHER-RADIATION

ICD-10-PCS Code For Whole Body: Procedure Code Group Overview

DWY6-PELVIC-REGION-OTHER-RADIATION-PELVIC-REGION-OTHER-RADIATION

ICD-10-PCS Code For Pelvic Region: Procedure Code Group Overview

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 Chest: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Chest: Procedure Code Group Overview policy alerts

Chest Other Radiation Procedure Overview

Code Attributes

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

Sign up for ICD-10-PCS Code For Chest: Procedure Code Group Overview policy alerts

Chest Other Radiation Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which body system and section does the ICD-10-PCS group `dwy2` belong to?

What types of procedures are included in the Chest Other Radiation group `dwy2`?

Which individual ICD-10-PCS codes are part of the `dwy2` group?

Why is accurate coding within the `dwy2` group important for inpatient records?

What chest anatomical regions are targeted by procedures in the `dwy2` group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which body system and section does the ICD-10-PCS group `dwy2` belong to?

What types of procedures are included in the Chest Other Radiation group `dwy2`?

Which individual ICD-10-PCS codes are part of the `dwy2` group?

Why is accurate coding within the `dwy2` group important for inpatient records?

What chest anatomical regions are targeted by procedures in the `dwy2` group?

References