CW161ZZPlanar Nuclear Medicine Imaging of Chest and Neck using Technetium 99m (Tc-99m)
- Billable / Specific Code
CW161ZZ is a billable ICD-10-PCS procedure code for Planar Nuclear Medicine Imaging of Chest and Neck using Technetium 99m (Tc-99m). It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Planar Nuclear Medicine Imaging involves introduction of radioactive materials into the body for single plane display of images developed from the capture of radioactive emissions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Planar 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 | 1 | Planar Nuclear Medicine Imaging |
| 4 | BodyPart | 6 | Chest and Neck |
| 5 | Radionuclide | 1 | Technetium 99m (Tc-99m) |
| 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:
To code scan of the radioisotope, open the FY 2027 ICD-10-PCS Alphabetic Index at Scan, then the subterm Radioisotope. The index leads to table CW1, where the radionuclide, qualifier and qualifier values shown in the breakdown above complete the seven-character code CW161ZZ.
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 CW161ZZ
Is CW161ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Planar Nuclear Medicine Imaging of Chest and Neck using Technetium 99m (Tc-99m) on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in CW161ZZ 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 1 is the Type (Planar Nuclear Medicine Imaging); the 4th character 6 is the BodyPart (Chest and Neck); the 5th character 1 is the Radionuclide (Technetium 99m (Tc-99m)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of CW161ZZ?
Under the General Equivalence Mappings, Planar Nuclear Medicine Imaging of Chest and Neck using Technetium 99m (Tc-99m) crosswalks to ICD-9-PCS 92.19 (Scan of other sites). The mapping is approximate, so confirm it fits the documentation.
