C23GRZZPositron Emission Tomographic (PET) Imaging of Myocardium using Nitrogen 13 (N-13)
- Billable / Specific Code
C23GRZZ is a billable ICD-10-PCS procedure code for Positron Emission Tomographic (PET) Imaging of Myocardium using Nitrogen 13 (N-13). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Positron Emission Tomographic (PET) Imaging involves introduction of radioactive materials into the body for three dimensional display of images developed from the simultaneous capture, 180 degrees apart, of radioactive emissions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Positron emission tomographic (PET) 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 | 3 | Positron Emission Tomographic (PET) Imaging |
| 4 | BodyPart | G | Myocardium |
| 5 | Radionuclide | R | Nitrogen 13 (N-13) |
| 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 C23GRZZ:
Clinical Classification (CCSR)
AHRQ groups C23GRZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for C23GRZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About C23GRZZ
Is C23GRZZ a billable code?
Yes. C23GRZZ is a complete seven-character ICD-10-PCS code, specific enough to report Positron Emission Tomographic (PET) Imaging of Myocardium using Nitrogen 13 (N-13) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in C23GRZZ mean?
C23GRZZ 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 3 is the Type (Positron Emission Tomographic (PET) Imaging); the 4th character G is the BodyPart (Myocardium); the 5th character R is the Radionuclide (Nitrogen 13 (N-13)); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of C23GRZZ?
Under the General Equivalence Mappings, Positron Emission Tomographic (PET) Imaging of Myocardium using Nitrogen 13 (N-13) crosswalks to ICD-9-PCS 92.05. The mapping is approximate, so confirm it fits the documentation.
