C05YYZZNonimaging Nuclear Medicine Probe of Central Nervous System using Other Radionuclide
- Billable / Specific Code
C05YYZZ is a billable ICD-10-PCS procedure code for Nonimaging Nuclear Medicine Probe of Central Nervous System using Other Radionuclide. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Nonimaging Nuclear Medicine Probe involves introduction of radioactive materials into the body for the study of distribution and fate of certain substances by the detection of radioactive emissions; or, alternatively, measurement of absorption of radioactive emissions from an external source. The Alphabetic Index lists this code under Nuclear medicine. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Radionuclide therapy and non-imaging procedures.
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 | 0 | Central Nervous System |
| 3 | Type | 5 | Nonimaging Nuclear Medicine Probe |
| 4 | BodyPart | Y | Central Nervous System |
| 5 | Radionuclide | Y | Other Radionuclide |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
The FY 2026 ICD-10-PCS Alphabetic Index refers to C05YYZZ as Nuclear medicine. These index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups C05YYZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for C05YYZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About C05YYZZ
Is C05YYZZ a billable code?
Yes. C05YYZZ is a complete seven-character ICD-10-PCS code, specific enough to report Nonimaging Nuclear Medicine Probe of Central Nervous System using Other Radionuclide on inpatient claims from October 1, 2025 through September 30, 2026.
What is the ICD-10-PCS code for nuclear medicine?
The ICD-10-PCS Alphabetic Index lists Nuclear medicine under code C05YYZZ, Nonimaging Nuclear Medicine Probe of Central Nervous System using Other Radionuclide, billable on inpatient claims in fiscal year 2026.
What do the characters in C05YYZZ mean?
C05YYZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character 0 is the Body System (Central Nervous System); the 3rd character 5 is the Type (Nonimaging Nuclear Medicine Probe); the 4th character Y is the BodyPart (Central Nervous System); 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 C05YYZZ?
Under the General Equivalence Mappings, Nonimaging Nuclear Medicine Probe of Central Nervous System using Other Radionuclide crosswalks to ICD-9-PCS 92.09. The mapping is approximate, so confirm it fits the documentation.
