CG12FZZPlanar Nuclear Medicine Imaging of Thyroid Gland using Iodine 123 (I-123)
- Billable / Specific Code
CG12FZZ is a billable ICD-10-PCS procedure code for Planar Nuclear Medicine Imaging of Thyroid Gland using Iodine 123 (I-123). It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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.
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 | G | Endocrine System |
| 3 | Type | 1 | Planar Nuclear Medicine Imaging |
| 4 | BodyPart | 2 | Thyroid Gland |
| 5 | Radionuclide | F | Iodine 123 (I-123) |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for CG12FZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About CG12FZZ
Is CG12FZZ a billable code?
Yes. CG12FZZ is a complete seven-character ICD-10-PCS code, specific enough to report Planar Nuclear Medicine Imaging of Thyroid Gland using Iodine 123 (I-123) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in CG12FZZ mean?
CG12FZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character G is the Body System (Endocrine System); the 3rd character 1 is the Type (Planar Nuclear Medicine Imaging); the 4th character 2 is the BodyPart (Thyroid Gland); 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 CG12FZZ?
Under the General Equivalence Mappings, Planar Nuclear Medicine Imaging of Thyroid Gland using Iodine 123 (I-123) crosswalks to ICD-9-PCS 92.01. The mapping is approximate, so confirm it fits the documentation.
