ICD-10-PCS 2027 procedure code
CT231ZZTomographic (Tomo) Nuclear Medicine Imaging of Kidneys, Ureters and Bladder using Technetium 99m (Tc-99m)
Short description: Tomo Nucl Med Imag of KUB using Technetium 99m
Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data
About CT231ZZ
CT231ZZ is the ICD-10-PCS code for a tomographic (tomo) nuclear medicine imaging procedure on the kidneys, ureters and bladder using a technetium 99m (tc-99m) approach with none (qualifier: none). In ICD-10-PCS, tomographic (tomo) nuclear medicine imaging means introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions.
In plain terms, this corresponds to renal scan and radioisotope function study, the ICD-9-CM procedure title it maps to (92.03).
The same procedure with a different approach is coded CT23YZZ (other radionuclide).
It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.
It has been valid since ICD-10-PCS took effect on October 1, 2015.
What each character means
- 1. Section
- CNuclear Medicine
- 2. Body System
- TUrinary System
- 3. Type
- 2Tomographic (Tomo) Nuclear Medicine Imaging
Introduction of radioactive materials into the body for three dimensional display of images developed from the capture of radioactive emissions
- 4. Body Part
- 3Kidneys, Ureters and Bladder
- 5. Radionuclide
- 1Technetium 99m (Tc-99m)
- 6. Qualifier
- ZNone
- 7. Qualifier
- ZNone
Other versions of this procedure
Different radionuclide
ICD-9-CM equivalent
Converter →- 92.03Renal scan and radioisotope function studyapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about CT231ZZ
Is CT231ZZ a valid ICD-10-PCS code for 2027?
- Yes. CT231ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
What is the ICD-9 procedure code for CT231ZZ?
- The CMS GEMs map CT231ZZ to ICD-9-CM 92.03 (Renal scan and radioisotope function study).