CW23FZZTomographic (Tomo) Nuclear Medicine Imaging of Chest using Iodine 123 (I-123)
- Billable / Specific Code
CW23FZZ is a billable ICD-10-PCS procedure code for Tomographic (Tomo) Nuclear Medicine Imaging of Chest using Iodine 123 (I-123). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). 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 | 3 | Chest |
| 5 | Radionuclide | F | Iodine 123 (I-123) |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About CW23FZZ
Is CW23FZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Tomographic (Tomo) Nuclear Medicine Imaging of Chest using Iodine 123 (I-123) on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in CW23FZZ mean?
The code 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 3 is the BodyPart (Chest); the 5th character F is the Radionuclide (Iodine 123 (I-123)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of CW23FZZ?
Under the General Equivalence Mappings, Tomographic (Tomo) Nuclear Medicine Imaging of Chest using Iodine 123 (I-123) crosswalks to ICD-9-PCS 92.19 (Scan of other sites). The mapping is approximate, so confirm it fits the documentation.
