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 CW50 includes procedures performed to introduce radioactive materials or use nonimaging nuclear medicine probes in the abdomen. These ICD-10-PCS codes are used for inpatient documentation when clinicians perform nuclear medicine studies or nonimaging probe assessments to evaluate the distribution, uptake, or kinetics of radiopharmaceuticals in the abdominal region. Accurate coding within the ICD-10-PCS CW50 group is essential for proper inpatient reimbursement, as it captures the diagnostic technique performed and supports clinical documentation accuracy.

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Abdomen Nonimaging Nuclear Medicine Probe Procedure Overview

Procedures in this ICD-10-PCS group involve introduction of radioactive materials or use of nonimaging nuclear medicine probes to assess distribution and uptake within the abdomen. These procedures target the abdominal anatomical region and measure radioactive emissions for diagnostic evaluation rather than producing traditional imaging studies. Accurate ICD-10-PCS coding ensures inpatient records reflect the diagnostic technique used and supports correct inpatient reimbursement.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
5	Operation	Nonimaging Nuclear Medicine Probe
0	Body Part	Abdomen

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

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Abdomen Nonimaging Nuclear Medicine Probe Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
C	Section	Nuclear Medicine
W	Body System	Anatomical Regions
5	Operation	Nonimaging Nuclear Medicine Probe
0	Body Part	Abdomen

When to Use

Use codes from this group when a radiopharmaceutical is introduced or a nonimaging nuclear medicine probe is used to assess distribution or absorption within the abdomen during an inpatient encounter. Do not use these codes for traditional imaging studies; they apply specifically to nonimaging nuclear medicine diagnostic procedures involving radioactivity.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
CW501ZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Technetium 99m (Tc-99m)
CW50DZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Indium 111 (In-111)
CW50YZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Other Radionuclide

Typical Clinical Scenarios

An elderly patient hospitalized with suspected acute gastrointestinal bleeding after multiple episodes of melena and a drop in hemoglobin, where endoscopy is nondiagnostic; clinicians order a bedside nonimaging radiopharmaceutical probe study to localize active abdominal bleeding by detecting focal radiotracer accumulation in the abdomen. This inpatient procedure helps guide interventional radiology for targeted embolization when endoscopy cannot identify the bleeding source. Typical codes: CW501ZZ, CW50YZZ
A middle-aged patient admitted electively for evaluation of suspected hepatic metastases from a known primary malignancy, when planar imaging is inconclusive; a nonimaging nuclear medicine probe using an In-111–labeled radiopharmaceutical is employed at the bedside to assess focal radiotracer uptake within the abdominal region to help characterize lesion activity. The study is performed during the inpatient stay to complement other diagnostic data and aid multidisciplinary treatment planning. Typical codes: CW50DZZ, CW50YZZ
A postoperative patient in the hospital with persistent suspected occult intra-abdominal sepsis despite negative CT findings, where clinicians perform a nonimaging probe assessment after administration of a radiolabeled tracer to detect abnormal radiotracer accumulation that may indicate localized abscess or infected fluid collections. The procedure assists in determining the need for image-guided drainage or surgical exploration. Typical codes: CW50YZZ, CW501ZZ

Related Codes

CW51-ABDOMEN-AND-PELVIS-NONIMAGING

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

CW53-CHEST-NONIMAGING-PROBE

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

CW54-CHEST-AND-ABDOMEN-NONIMAGING

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

CW56-CHEST-AND-NECK-NONIMAGING

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

CW5B-HEAD-AND-NECK-NONIMAGING

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

CW5D-LOWER-EXTREMITY-NONIMAGING-PROBE

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

CW5J-PELVIC-REGION-NONIMAGING-NUCLEAR

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

CW5M-UPPER-EXTREMITY-NONIMAGING-PROBE

ICD-10-PCS Code For Upper Extremity: 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
CW501ZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Technetium 99m (Tc-99m)
CW50DZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Indium 111 (In-111)
CW50YZZ	Nonimaging Nuclear Medicine Probe of Abdomen using Other Radionuclide

Typical Clinical Scenarios

An elderly patient hospitalized with suspected acute gastrointestinal bleeding after multiple episodes of melena and a drop in hemoglobin, where endoscopy is nondiagnostic; clinicians order a bedside nonimaging radiopharmaceutical probe study to localize active abdominal bleeding by detecting focal radiotracer accumulation in the abdomen. This inpatient procedure helps guide interventional radiology for targeted embolization when endoscopy cannot identify the bleeding source. Typical codes: CW501ZZ, CW50YZZ
A middle-aged patient admitted electively for evaluation of suspected hepatic metastases from a known primary malignancy, when planar imaging is inconclusive; a nonimaging nuclear medicine probe using an In-111–labeled radiopharmaceutical is employed at the bedside to assess focal radiotracer uptake within the abdominal region to help characterize lesion activity. The study is performed during the inpatient stay to complement other diagnostic data and aid multidisciplinary treatment planning. Typical codes: CW50DZZ, CW50YZZ
A postoperative patient in the hospital with persistent suspected occult intra-abdominal sepsis despite negative CT findings, where clinicians perform a nonimaging probe assessment after administration of a radiolabeled tracer to detect abnormal radiotracer accumulation that may indicate localized abscess or infected fluid collections. The procedure assists in determining the need for image-guided drainage or surgical exploration. Typical codes: CW50YZZ, CW501ZZ

Related Codes

CW51-ABDOMEN-AND-PELVIS-NONIMAGING

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

CW53-CHEST-NONIMAGING-PROBE

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

CW54-CHEST-AND-ABDOMEN-NONIMAGING

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

CW56-CHEST-AND-NECK-NONIMAGING

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

CW5B-HEAD-AND-NECK-NONIMAGING

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

CW5D-LOWER-EXTREMITY-NONIMAGING-PROBE

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

CW5J-PELVIC-REGION-NONIMAGING-NUCLEAR

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

CW5M-UPPER-EXTREMITY-NONIMAGING-PROBE

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

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

Abdomen Nonimaging Nuclear Medicine Probe 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 Nonimaging Nuclear Medicine Probe 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 CW50 group?

What is the primary purpose of procedures coded to ICD-10-PCS CW50?

What are the specific codes within the CW50 code group?

How does correct coding in CW50 impact inpatient documentation and reimbursement?

What are the code attributes for the CW50 procedure group?

References

When to Use

ICD-10-PCS Codes

Typical Clinical Scenarios

Related Codes

What procedures are included in the ICD-10-PCS CW50 group?

What is the primary purpose of procedures coded to ICD-10-PCS CW50?

What are the specific codes within the CW50 code group?

How does correct coding in CW50 impact inpatient documentation and reimbursement?

What are the code attributes for the CW50 procedure group?

References