C21GYZZPlanar Nuclear Medicine Imaging of Myocardium using Other Radionuclide
- Billable / Specific Code
C21GYZZ is a billable ICD-10-PCS procedure code for Planar Nuclear Medicine Imaging of Myocardium using Other Radionuclide. 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 | 2 | Heart |
| 3 | Type | 1 | Planar Nuclear Medicine Imaging |
| 4 | BodyPart | G | Myocardium |
| 5 | Radionuclide | Y | Other Radionuclide |
| 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 C21, where the radionuclide, qualifier and qualifier values shown in the breakdown above complete the seven-character code C21GYZZ.
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 C21GYZZ
Is C21GYZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Planar Nuclear Medicine Imaging of Myocardium using Other Radionuclide on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in C21GYZZ mean?
The code breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character 2 is the Body System (Heart); the 3rd character 1 is the Type (Planar Nuclear Medicine Imaging); the 4th character G is the BodyPart (Myocardium); the 5th character Y is the Radionuclide (Other Radionuclide); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of C21GYZZ?
Under the General Equivalence Mappings, Planar Nuclear Medicine Imaging of Myocardium using Other Radionuclide crosswalks to ICD-9-PCS 92.05 (Cardiovascular and hematopoietic scan and radioisotope function study). The mapping is approximate, so confirm it fits the documentation.
