CB3Nuclear Medicine, Respiratory System, Positron Emission Tomographic (PET) Imaging

Nuclear Medicine›Respiratory System›Positron Emission Tomographic (PET) Imaging
  • Non-Billable Header
ICD-10-PCS CB3
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

CB3 is a non-billable ICD-10-PCS code that heads the group for Nuclear Medicine, Respiratory System, Positron Emission Tomographic (PET) Imaging, so it cannot be submitted on a claim; a more specific seven-character code is required. 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.

Code Identity

ICD-10-PCS Code
CB3
Billable Status
No — Non-Billable Header
Code Describes
Nuclear Medicine, Respiratory System, Positron Emission Tomographic (PET) Imaging
Short Description
Nuclear Medicine, Resp Sys, PET Imag

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.

PositionDesignationValueMeaning
1SectionCNuclear Medicine
2Body SystemBRespiratory System
3Operation3Positron Emission Tomographic (PET) Imaging

Similar Procedure Codes

Questions About CB3

Is CB3 a billable code?

No. CB3 is an incomplete heading for Nuclear Medicine, Respiratory System, Positron Emission Tomographic (PET) Imaging and cannot be submitted on a claim. A complete seven-character code is required, such as CB32KZZ, CB32YZZ, and CB3YYZZ.