CB1 Planar Nuclear Medicine Imaging - Respiratory System ICD-10-PCS
The CB1 code range contains 7 ICD-10-PCS codes for Planar Nuclear Medicine Imaging procedures on the respiratory system. 6 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Planar Nuclear Medicine Imaging: Introduction of radioactive materials into the body for single plane display of images developed from the capture of radioactive emissions.
Codes in the CB1 Range 7 codes · 6 billable
- CB1 Nuclear Medicine, Respiratory System, Planar Nuclear Medicine ImagingNon-billable header
- CB121ZZ Planar Nuclear Medicine Imaging of Lungs and Bronchi using Technetium 99m (Tc-99m)
- CB129ZZ Planar Nuclear Medicine Imaging of Lungs and Bronchi using Krypton (Kr-81m)
- CB12TZZ Planar Nuclear Medicine Imaging of Lungs and Bronchi using Xenon 127 (Xe-127)
- CB12VZZ Planar Nuclear Medicine Imaging of Lungs and Bronchi using Xenon 133 (Xe-133)
- CB12YZZ Planar Nuclear Medicine Imaging of Lungs and Bronchi using Other Radionuclide
- CB1YYZZ Planar Nuclear Medicine Imaging of Respiratory System using Other Radionuclide
About the CB1 Code Range
Planar Nuclear Medicine Imaging (root operation CB1) refers to a diagnostic procedure in the ICD-10-PCS system that uses radioactive substances to create images of internal body structures. This root operation is classified under Nuclear Medicine and focuses on assessing specific organs through planar (two-dimensional) imaging techniques.
Within the Respiratory System, this operation involves planar nuclear medicine imaging of the lungs and bronchi using various radionuclides. The codes provided demonstrate how different radioactive materials are used: for example, Technetium 99m (Tc-99m) is coded as CB121ZZ, Krypton (Kr-81m) as CB129ZZ, and Xenon isotopes like Xe-127 (CB12TZZ) and Xe-133 (CB12VZZ). Other less common radionuclides are captured under CB12YZZ and CB1YYZZ. Using these specific nuclear medicine codes accurately documents the imaging modality and radionuclide used for respiratory system evaluation.
Questions About This Page
How many billable codes are in the CB1 range?
Of the 7 codes in this range, 6 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the CB1 range classify?
The range classifies Planar Nuclear Medicine Imaging procedures, introduction of radioactive materials into the body for single plane display of images developed from the capture of radioactive emissions, performed on the respiratory system. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
