CH121ZZPlanar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m)
- Billable / Specific Code
CH121ZZ is a billable ICD-10-PCS procedure code for Planar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m). 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 | H | Skin, Subcutaneous Tissue and Breast |
| 3 | Type | 1 | Planar Nuclear Medicine Imaging |
| 4 | BodyPart | 2 | Breasts, Bilateral |
| 5 | Radionuclide | 1 | Technetium 99m (Tc-99m) |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for CH121ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About CH121ZZ
Is CH121ZZ a billable code?
Yes. CH121ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Planar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m) on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in CH121ZZ mean?
CH121ZZ breaks down character by character: the 1st character C is the Section (Nuclear Medicine); the 2nd character H is the Body System (Skin, Subcutaneous Tissue and Breast); the 3rd character 1 is the Type (Planar Nuclear Medicine Imaging); the 4th character 2 is the BodyPart (Breasts, Bilateral); 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 CH121ZZ?
Under the General Equivalence Mappings, Planar Nuclear Medicine Imaging of Bilateral Breasts using Technetium 99m (Tc-99m) crosswalks to ICD-9-PCS 92.19. The mapping is approximate, so confirm it fits the documentation.
