CW7 Systemic Nuclear Medicine Therapy - Anatomical Regions ICD-10-PCS
The CW7 code range contains 13 ICD-10-PCS codes for Systemic Nuclear Medicine Therapy procedures on the anatomical regions. 12 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Systemic Nuclear Medicine Therapy: Introduction of unsealed radioactive materials into the body for treatment.
Codes in the CW7 Range 13 codes · 12 billable
- CW7 Nuclear Medicine, Anatomical Regions, Systemic Nuclear Medicine TherapyNon-billable header
- CW70NZZ Systemic Nuclear Medicine Therapy of Abdomen using Phosphorus 32 (P-32)
- CW70YZZ Systemic Nuclear Medicine Therapy of Abdomen using Other Radionuclide
- CW73NZZ Systemic Nuclear Medicine Therapy of Chest using Phosphorus 32 (P-32)
- CW73YZZ Systemic Nuclear Medicine Therapy of Chest using Other Radionuclide
- CW7GGZZ Systemic Nuclear Medicine Therapy of Thyroid using Iodine 131 (I-131)
- CW7GYZZ Systemic Nuclear Medicine Therapy of Thyroid using Other Radionuclide
- CW7N8ZZ Systemic Nuclear Medicine Therapy of Whole Body using Samarium 153 (Sm-153)
- CW7NGZZ Systemic Nuclear Medicine Therapy of Whole Body using Iodine 131 (I-131)
- CW7NNZZ Systemic Nuclear Medicine Therapy of Whole Body using Phosphorus 32 (P-32)
- CW7NPZZ Systemic Nuclear Medicine Therapy of Whole Body using Strontium 89 (Sr-89)
- CW7NYZZ Systemic Nuclear Medicine Therapy of Whole Body using Other Radionuclide
- CW7YYZZ Systemic Nuclear Medicine Therapy of Multiple Anatomical Regions using Other Radionuclide
About the CW7 Code Range
The ICD-10-PCS root operation Systemic Nuclear Medicine Therapy (code CW7) involves administering a radionuclide for therapeutic effect throughout one or more anatomical regions. This procedure is classified under Nuclear Medicine and targets systemic treatment rather than localized delivery.
Systemic Nuclear Medicine Therapy is used to treat diseases by delivering radioactive substances that affect the entire body or specific large regions like the Abdomen, Chest, or Thyroid. Specific codes reflect the anatomical focus and type of radionuclide utilized—for instance, the use of Phosphorus 32 (P-32) for therapy of the Abdomen (code CW70NZZ) or Iodine 131 (I-131) for the Thyroid (code CW7GGZZ). Other radionuclides like Samarium 153 and Strontium 89 are used in Whole Body treatments (e.g., CW7N8ZZ, CW7NPZZ). Accurately selecting these codes is essential to document the systemic nature and precise radionuclide therapy provided during treatment.
Questions About This Page
How many billable codes are in the CW7 range?
Of the 13 codes in this range, 12 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 CW7 range classify?
The range classifies Systemic Nuclear Medicine Therapy procedures, introduction of unsealed radioactive materials into the body for treatment, 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.
