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ICD-10-PCS 2027 procedure code

5A2204ZRestoration of Cardiac Rhythm, Single

✓ Valid for 2027

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 5A2204Z

5A2204Z is the ICD-10-PCS code for a restoration procedure on the cardiac using a single approach with rhythm. In ICD-10-PCS, restoration means returning, or attempting to return, a physiological function to its original state by extracorporeal means..

In plain terms, this corresponds to atrial cardioversion, other electric countershock of heart, carotid sinus stimulation and 1 more, the ICD-9-CM procedure titles it maps to (99.61, 99.62, 99.64 and 1 more).

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
5Extracorporeal or Systemic Assistance and Performance
2. Body System
APhysiological Systems
3. Operation
2Restoration

Returning, or attempting to return, a physiological function to its original state by extracorporeal means.

4. Body System
2Cardiac
5. Duration
0Single
6. Function
4Rhythm
7. Qualifier
ZNo Qualifier

ICD-9-CM equivalent

Converter →
  • 99.61Atrial cardioversionapproximate
  • 99.62Other electric countershock of heartapproximate
  • 99.64Carotid sinus stimulationapproximate
  • 99.69Other conversion of cardiac rhythmapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 5A2204Z

Is 5A2204Z a valid ICD-10-PCS code for 2027?

Yes. 5A2204Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 5A2204Z?

The CMS GEMs map 5A2204Z to ICD-9-CM 99.61 (Atrial cardioversion), 99.62 (Other electric countershock of heart), 99.64 (Carotid sinus stimulation) and 1 more.