CW20GZZTomographic (Tomo) Nuclear Medicine Imaging of Abdomen using Iodine 131 (I-131)
- Billable / Specific Code
CW20GZZ is a billable ICD-10-PCS procedure code for Tomographic (Tomo) Nuclear Medicine Imaging of Abdomen using Iodine 131 (I-131). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Tomographic (Tomo) Nuclear Medicine Imaging involves introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Tomographic nuclear medicine imaging.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | C | Nuclear Medicine |
| 2 | Body System | W | Anatomical Regions |
| 3 | Type | 2 | Tomographic (Tomo) Nuclear Medicine Imaging |
| 4 | BodyPart | 0 | Abdomen |
| 5 | Radionuclide | G | Iodine 131 (I-131) |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to CW20GZZ:
Clinical Classification (CCSR)
AHRQ groups CW20GZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for CW20GZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About CW20GZZ
Is CW20GZZ a billable code?
Yes. CW20GZZ is a complete seven-character ICD-10-PCS code, specific enough to report Tomographic (Tomo) Nuclear Medicine Imaging of Abdomen using Iodine 131 (I-131) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in CW20GZZ mean?
CW20GZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 2 is the Type (Tomographic (Tomo) Nuclear Medicine Imaging); the 4th character 0 is the BodyPart (Abdomen); the 5th character G is the Radionuclide (Iodine 131 (I-131)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of CW20GZZ?
Under the General Equivalence Mappings, Tomographic (Tomo) Nuclear Medicine Imaging of Abdomen using Iodine 131 (I-131) crosswalks to ICD-9-PCS 92.19. The mapping is approximate, so confirm it fits the documentation.
