ICD-10-PCS 2027 procedure code
DD17B7ZLow Dose Rate (LDR) Brachytherapy of Rectum using Cesium 137 (Cs-137)
Short description: Low Dose Rate (LDR) Brachytherapy of Rectum using Cesium 137
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 DD17B7Z
DD17B7Z is the ICD-10-PCS code for a brachytherapy procedure on the rectum using a low dose rate (LDR) approach with cesium 137 (cs-137) (qualifier: none).
In plain terms, this corresponds to Radioisotopic teleradiotherapy, the ICD-9-CM procedure title it maps to (92.23).
For a different body part, codes include DD10B7Z (esophagus), DD11B7Z (stomach), DD12B7Z (duodenum), DD13B7Z (jejunum), DD14B7Z (ileum) and DD15B7Z (colon).
The same procedure with a different approach is coded DD1797Z (high dose rate (HDR)).
With a different device, use DD17B6Z (cesium 131 (cs-131)), DD17B8Z (iridium 192 (ir-192)), DD17B9Z (iodine 125 (I-125)), DD17BBZ (palladium 103 (pd-103)), DD17BCZ (californium 252 (cf-252)) and DD17BYZ (other isotope).
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
- DRadiation Therapy
- 2. Body System
- DGastrointestinal System
- 3. Modality
- 1Brachytherapy
- 4. Treatment Site
- 7Rectum
- 5. Modality Qualifier
- BLow Dose Rate (LDR)
- 6. Isotope
- 7Cesium 137 (Cs-137)
- 7. Qualifier
- ZNone
Other versions of this procedure
Different treatment site
Different modality qualifier
ICD-9-CM equivalent
Converter →- 92.23Radioisotopic teleradiotherapyapproximate
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 DD17B7Z
Is DD17B7Z a valid ICD-10-PCS code for 2027?
- Yes. DD17B7Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
What is the ICD-9 procedure code for DD17B7Z?
- The CMS GEMs map DD17B7Z to ICD-9-CM 92.23 (Radioisotopic teleradiotherapy).