CW5 Nonimaging Nuclear Medicine Probe - Anatomical Regions ICD-10-PCS
The CW5 code range contains 28 ICD-10-PCS codes for Nonimaging Nuclear Medicine Probe procedures on the anatomical regions. 27 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Nonimaging Nuclear Medicine Probe: Introduction of radioactive materials into the body for the study of distribution and fate of certain substances by the detection of radioactive emissions; or, alternatively, measurement of absorption of radioactive emissions from an external source.
Codes in the CW5 Range 28 codes · 27 billable
- CW5 Nuclear Medicine, Anatomical Regions, Nonimaging Nuclear Medicine ProbeNon-billable header
- 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
- CW511ZZ Nonimaging Nuclear Medicine Probe of Abdomen and Pelvis using Technetium 99m (Tc-99m)
- CW51DZZ Nonimaging Nuclear Medicine Probe of Abdomen and Pelvis using Indium 111 (In-111)
- CW51YZZ Nonimaging Nuclear Medicine Probe of Abdomen and Pelvis using Other Radionuclide
- CW531ZZ Nonimaging Nuclear Medicine Probe of Chest using Technetium 99m (Tc-99m)
- CW53DZZ Nonimaging Nuclear Medicine Probe of Chest using Indium 111 (In-111)
- CW53YZZ Nonimaging Nuclear Medicine Probe of Chest using Other Radionuclide
- CW541ZZ Nonimaging Nuclear Medicine Probe of Chest and Abdomen using Technetium 99m (Tc-99m)
- CW54DZZ Nonimaging Nuclear Medicine Probe of Chest and Abdomen using Indium 111 (In-111)
- CW54YZZ Nonimaging Nuclear Medicine Probe of Chest and Abdomen using Other Radionuclide
- CW561ZZ Nonimaging Nuclear Medicine Probe of Chest and Neck using Technetium 99m (Tc-99m)
- CW56DZZ Nonimaging Nuclear Medicine Probe of Chest and Neck using Indium 111 (In-111)
- CW56YZZ Nonimaging Nuclear Medicine Probe of Chest and Neck using Other Radionuclide
- CW5B1ZZ Nonimaging Nuclear Medicine Probe of Head and Neck using Technetium 99m (Tc-99m)
- CW5BDZZ Nonimaging Nuclear Medicine Probe of Head and Neck using Indium 111 (In-111)
- CW5BYZZ Nonimaging Nuclear Medicine Probe of Head and Neck using Other Radionuclide
- CW5D1ZZ Nonimaging Nuclear Medicine Probe of Lower Extremity using Technetium 99m (Tc-99m)
- CW5DDZZ Nonimaging Nuclear Medicine Probe of Lower Extremity using Indium 111 (In-111)
- CW5DYZZ Nonimaging Nuclear Medicine Probe of Lower Extremity using Other Radionuclide
- CW5J1ZZ Nonimaging Nuclear Medicine Probe of Pelvic Region using Technetium 99m (Tc-99m)
- CW5JDZZ Nonimaging Nuclear Medicine Probe of Pelvic Region using Indium 111 (In-111)
- CW5JYZZ Nonimaging Nuclear Medicine Probe of Pelvic Region using Other Radionuclide
- CW5M1ZZ Nonimaging Nuclear Medicine Probe of Upper Extremity using Technetium 99m (Tc-99m)
- CW5MDZZ Nonimaging Nuclear Medicine Probe of Upper Extremity using Indium 111 (In-111)
- CW5MYZZ Nonimaging Nuclear Medicine Probe of Upper Extremity using Other Radionuclide
About the CW5 Code Range
The ICD-10-PCS root operation Nonimaging Nuclear Medicine Probe (code CW5) involves the use of a nuclear medicine probe to detect radiation emissions from radionuclides in specific anatomical regions without generating imaging. This is a specialized diagnostic procedure within the Nuclear Medicine section.
This root operation is applied to various body parts such as the Abdomen, Chest, Pelvis, Head and Neck, and Extremities. Different radionuclides are used depending on the probe’s purpose, including Technetium 99m (Tc-99m), Indium 111 (In-111), and other radionuclides. For example, code CW501ZZ specifies a probe of the abdomen with Tc-99m, while CW5BDZZ denotes probing of the head and neck using Indium 111. The codes differentiate both the anatomical region targeted and the radionuclide employed, allowing precise documentation of the nuclear medicine procedure without imaging capture.
Using these multiple codes correctly ensures accurate representation of diagnostic nuclear medicine studies focused on radiation detection rather than image acquisition.
Questions About This Page
How many billable codes are in the CW5 range?
Of the 28 codes in this range, 27 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the CW5 range classify?
The range classifies Nonimaging Nuclear Medicine Probe procedures, introduction of radioactive materials into the body for the study of distribution and fate of certain substances by the detection of radioactive emissions; or, alternatively, measurement of absorption of radioactive emissions from an external source, performed on the anatomical regions. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
