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 CW73 includes procedures performed to introduce unsealed radioactive materials for systemic nuclear medicine therapy in the chest. These ICD-10-PCS codes are used for inpatient documentation when patients receive therapeutic unsealed radioactive agents targeting chest anatomical regions as part of Nuclear Medicine treatment. Accurate coding within the ICD-10-PCS CW73 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Chest Systemic Nuclear Medicine Therapy Procedure Overview

Procedures in this group involve the introduction of unsealed radioactive materials into the chest to provide systemic nuclear medicine therapy targeting anatomical regions of the chest. These procedures are performed by Nuclear Medicine specialists and are documented within the Nuclear Medicine section of the International Classification of Diseases, Tenth Revision, Procedure Coding System. Accurate coding of these systemic nuclear medicine therapy procedures supports correct inpatient reimbursement and reflects the clinical resources used for treatment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
7	Operation	Systemic Nuclear Medicine Therapy
3	Body Part	Chest

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

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Chest Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
7	Operation	Systemic Nuclear Medicine Therapy
3	Body Part	Chest

When to Use

Use a code from this group when an unsealed radioactive therapeutic agent is administered for systemic nuclear medicine therapy that targets the chest during an inpatient stay. These codes apply when documentation specifies Nuclear Medicine systemic therapy involving unsealed radioactive materials directed at chest anatomical regions.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
CW73NZZ	Systemic Nuclear Medicine Therapy of Chest using Phosphorus 32 (P-32)
CW73YZZ	Systemic Nuclear Medicine Therapy of Chest using Other Radionuclide

Typical Clinical Scenarios

An inpatient with metastatic bone-seeking disease involving the chest (extensive rib and sternal metastases) and refractory pleuritic pain despite opioid therapy is admitted for palliative systemic radiopharmaceutical therapy to reduce tumor burden and control pain. After multidisciplinary review, phosphorus-32 therapy is selected because of its beta-emitting properties and documented utility for symptom relief in diffuse chest wall metastases. The unsealed radioactive agent is administered systemically under Nuclear Medicine supervision during the inpatient stay to target chest anatomical regions. Typical codes: CW73NZZ
A patient presenting acutely with rapidly progressive, symptomatic malignant effusion related to radioiodine-refractory thyroid cancer with pleural tumor deposits is admitted for systemic radionuclide therapy aimed at controlling tumor activity in the chest. Given prior treatments and the need for inpatient monitoring for acute radiation-related effects, systemic administration of a non-phosphorus radionuclide therapeutic agent is performed by Nuclear Medicine to treat disseminated chest disease. The procedure is performed during the admission to address chest-directed systemic disease control. Typical codes: CW73YZZ
A patient previously treated with a systemic radionuclide for chest metastatic disease returns to the hospital with progression despite earlier therapy; multidisciplinary team elects to administer a different unsealed radionuclide for repeat systemic nuclear medicine therapy targeting chest lesions. The inpatient administration is chosen to allow close monitoring for cumulative toxicity and to adjust dosing given prior phosphorus-32 exposure. Nuclear Medicine delivers the alternative radionuclide systemically to address persistent chest disease. Typical codes: CW73YZZ

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

CW7G-THYROID-SYSTEMIC-THERAPY

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

CW7N-WHOLE-BODY-SYSTEMIC-THERAPY

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

CW7Y-ANATOMICAL-REGIONS-SYSTEMIC-THERAPY

ICD-10-PCS Code For Anatomical Regions: 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

2 rows

ICD-10-PCS Code	Description
CW73NZZ	Systemic Nuclear Medicine Therapy of Chest using Phosphorus 32 (P-32)
CW73YZZ	Systemic Nuclear Medicine Therapy of Chest using Other Radionuclide

Typical Clinical Scenarios

An inpatient with metastatic bone-seeking disease involving the chest (extensive rib and sternal metastases) and refractory pleuritic pain despite opioid therapy is admitted for palliative systemic radiopharmaceutical therapy to reduce tumor burden and control pain. After multidisciplinary review, phosphorus-32 therapy is selected because of its beta-emitting properties and documented utility for symptom relief in diffuse chest wall metastases. The unsealed radioactive agent is administered systemically under Nuclear Medicine supervision during the inpatient stay to target chest anatomical regions. Typical codes: CW73NZZ
A patient presenting acutely with rapidly progressive, symptomatic malignant effusion related to radioiodine-refractory thyroid cancer with pleural tumor deposits is admitted for systemic radionuclide therapy aimed at controlling tumor activity in the chest. Given prior treatments and the need for inpatient monitoring for acute radiation-related effects, systemic administration of a non-phosphorus radionuclide therapeutic agent is performed by Nuclear Medicine to treat disseminated chest disease. The procedure is performed during the admission to address chest-directed systemic disease control. Typical codes: CW73YZZ
A patient previously treated with a systemic radionuclide for chest metastatic disease returns to the hospital with progression despite earlier therapy; multidisciplinary team elects to administer a different unsealed radionuclide for repeat systemic nuclear medicine therapy targeting chest lesions. The inpatient administration is chosen to allow close monitoring for cumulative toxicity and to adjust dosing given prior phosphorus-32 exposure. Nuclear Medicine delivers the alternative radionuclide systemically to address persistent chest disease. Typical codes: CW73YZZ

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

CW7G-THYROID-SYSTEMIC-THERAPY

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

CW7N-WHOLE-BODY-SYSTEMIC-THERAPY

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

CW7Y-ANATOMICAL-REGIONS-SYSTEMIC-THERAPY

ICD-10-PCS Code For Anatomical Regions: 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.

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

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Chest Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

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

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Chest Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

References

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 Systemic Nuclear Medicine Therapy 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 Systemic Nuclear Medicine Therapy 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 CW73 code group?

What are the specific codes listed in the CW73 group?

How does accurate coding in CW73 affect inpatient reimbursement?

Under which ICD-10-PCS section and body system is CW73 categorized?

Are there related DRGs listed for CW73 procedures?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in the ICD-10-PCS CW73 code group?

What are the specific codes listed in the CW73 group?

How does accurate coding in CW73 affect inpatient reimbursement?

Under which ICD-10-PCS section and body system is CW73 categorized?

Are there related DRGs listed for CW73 procedures?

References