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

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group CW70 includes procedures performed to introduce unsealed radioactive materials for systemic nuclear medicine therapy in the abdomen. These ICD-10-PCS codes are used for inpatient documentation when patients receive therapeutic radiopharmaceuticals administered to treat abdominal disease processes. Accurate coding within the ICD-10-PCS CW70 group is essential for proper inpatient reimbursement, as it captures the procedure performed and supports clinical documentation accuracy.

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Abdomen Systemic Nuclear Medicine Therapy Procedure Overview

This procedure group includes introduction of unsealed radioactive materials into the abdomen for systemic nuclear medicine therapy and targets the anatomical regions body system. Procedures involve administering radiopharmaceuticals that distribute within the abdominal region to treat disease processes, often for targeted radiation therapy. Accurate coding of these procedures matters for inpatient reimbursement because it documents the therapeutic nuclear medicine service provided and supports appropriate case mix and payment.

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
0	Body Part	Abdomen

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

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Abdomen 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
0	Body Part	Abdomen

When to Use

Use codes from this group when a patient receives therapeutic unsealed radioactive material intended to treat disease processes involving the abdomen during an inpatient stay. These codes are appropriate when documentation indicates systemic nuclear medicine therapy was performed with radiopharmaceutical administration directed at abdominal regions.

ICD-10-PCS Codes

2 rows

ICD-10-PCS Code	Description
CW70NZZ	Systemic Nuclear Medicine Therapy of Abdomen using Phosphorus 32 (P-32)
CW70YZZ	Systemic Nuclear Medicine Therapy of Abdomen using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with metastatic neuroendocrine tumor with progressive symptomatic liver-dominant disease is admitted for inpatient initiation of radiopharmaceutical therapy after outpatient workup shows refractory abdominal disease and the need for monitored administration due to potential acute carcinoid reactions; systemic unsealed radioactive material is administered to target the abdominal tumor burden under inpatient observation to deliver therapeutic radiation to abdominal sites. Typical codes: CW70NZZ, CW70YZZ
A middle-aged patient with chemorefractory peritoneal carcinomatosis is scheduled for planned inpatient systemic radiopharmaceutical therapy aimed at reducing abdominal tumor load prior to palliative surgery; because the treatment requires inpatient monitoring for radiation safety and symptom control, an unsealed radionuclide is introduced systemically to treat widespread abdominal disease. Typical codes: CW70YZZ, CW70NZZ
A patient hospitalized for worsening abdominal pain and hematologic toxicity after prior external beam radiation receives inpatient systemic radiopharmaceutical therapy as a salvage option for persistent abdominal malignancy; the procedure is performed to deliver targeted systemic radioactive therapy to remaining abdominal disease while inpatient teams manage potential complications. Typical codes: CW70YZZ

ICD-10-PCS Code For Chest: 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
CW70NZZ	Systemic Nuclear Medicine Therapy of Abdomen using Phosphorus 32 (P-32)
CW70YZZ	Systemic Nuclear Medicine Therapy of Abdomen using Other Radionuclide

Typical Clinical Scenarios

An elderly patient with metastatic neuroendocrine tumor with progressive symptomatic liver-dominant disease is admitted for inpatient initiation of radiopharmaceutical therapy after outpatient workup shows refractory abdominal disease and the need for monitored administration due to potential acute carcinoid reactions; systemic unsealed radioactive material is administered to target the abdominal tumor burden under inpatient observation to deliver therapeutic radiation to abdominal sites. Typical codes: CW70NZZ, CW70YZZ
A middle-aged patient with chemorefractory peritoneal carcinomatosis is scheduled for planned inpatient systemic radiopharmaceutical therapy aimed at reducing abdominal tumor load prior to palliative surgery; because the treatment requires inpatient monitoring for radiation safety and symptom control, an unsealed radionuclide is introduced systemically to treat widespread abdominal disease. Typical codes: CW70YZZ, CW70NZZ
A patient hospitalized for worsening abdominal pain and hematologic toxicity after prior external beam radiation receives inpatient systemic radiopharmaceutical therapy as a salvage option for persistent abdominal malignancy; the procedure is performed to deliver targeted systemic radioactive therapy to remaining abdominal disease while inpatient teams manage potential complications. Typical codes: CW70YZZ

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

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Abdomen Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

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

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Abdomen 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 Abdomen: Procedure Code Group Overview

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

Abdomen Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

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

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

Abdomen Systemic Nuclear Medicine Therapy Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the ICD-10-PCS code group CW70?

What are the specific codes in the CW70 group and what radionuclides do they represent?

Under which ICD-10-PCS section and body system is CW70 classified?

Why is accurate coding within the CW70 group important for inpatient care?

Can CW70 codes be used for diagnostic nuclear medicine procedures?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the ICD-10-PCS code group CW70?

What are the specific codes in the CW70 group and what radionuclides do they represent?

Under which ICD-10-PCS section and body system is CW70 classified?

Why is accurate coding within the CW70 group important for inpatient care?

Can CW70 codes be used for diagnostic nuclear medicine procedures?

References