CG2 Tomographic (Tomo) Nuclear Medicine Imaging - Endocrine System ICD-10-PCS
The CG2 code range contains 5 ICD-10-PCS codes for Tomographic (Tomo) Nuclear Medicine Imaging procedures on the endocrine system. 4 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Tomographic (Tomo) Nuclear Medicine Imaging: Introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions.
Codes in the CG2 Range 5 codes · 4 billable
- CG2 Nuclear Medicine, Endocrine System, Tomographic (Tomo) Nuclear Medicine ImagingNon-billable header
- CG211ZZ Tomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Technetium 99m (Tc-99m)
- CG21SZZ Tomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Thallium 201 (Tl-201)
- CG21YZZ Tomographic (Tomo) Nuclear Medicine Imaging of Parathyroid Glands using Other Radionuclide
- CG2YYZZ Tomographic (Tomo) Nuclear Medicine Imaging of Endocrine System using Other Radionuclide
About the CG2 Code Range
These procedures introduce radioactive materials into the body and capture their emissions to create images showing depth. The images show the parathyroid glands or the endocrine system.
The fourth character identifies Parathyroid Glands or Endocrine System. The fifth identifies the radioactive material: Technetium 99m (Tc-99m), Thallium 201 (Tl-201), or Other Radionuclide. The sixth and seventh characters are both None.
Questions About This Page
How many billable codes are in the CG2 range?
Of the 5 codes in this range, 4 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.
What does the CG2 range classify?
The range classifies Tomographic (Tomo) Nuclear Medicine Imaging procedures, introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions, performed on the endocrine 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 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
