5A1223ZPerformance of Cardiac Pacing, Continuous

Q: What is the ICD-10-PCS code for performance of the pacing continuous cardiac?

The FY 2027 ICD-10-PCS Alphabetic Index entry Performance, Cardiac, Continuous, Pacing is a direct entry for 5A1223Z, Performance of Cardiac Pacing, Continuous, billable on inpatient claims from October 1, 2026 through September 30, 2027.

Extracorporeal or Systemic Assistance and Performance›Physiological Systems›Performance

Billable / Specific Code

ICD-10-PCS 5A1223Z

CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.

5A1223Z is a billable ICD-10-PCS procedure code for Performance of Cardiac Pacing, Continuous. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Performance involves completely taking over a physiological function by extracorporeal means. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Cardiac pacing.

Code Identity

ICD-10-PCS Code

5A1223Z

Billable Status

Yes — Valid for Submission

Code Describes

Performance of Cardiac Pacing, Continuous

Short Description

Performance of Cardiac Pacing, Continuous

Same as the full description in the CMS dataset.

Parent Code

5A1

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.

Position	Designation	Value	Meaning
1	Section	5	Extracorporeal or Systemic Assistance and Performance
2	Body System	A	Physiological Systems
3	Operation	1	Performance
4	BodySystem	2	Cardiac
5	Duration	2	Continuous
6	Function	3	Pacing
7	Qualifier	Z	No Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Performance, Cardiac, Continuous, Pacing

Direct entry for this code

To code performance of the pacing continuous cardiac, open the FY 2027 ICD-10-PCS Alphabetic Index at Performance, then the subterms Cardiac, Continuous, Pacing. The entry lists 5A1223Z directly as a complete, billable code.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ESA007

Cardiac pacing

Clinical domain: Extracorporeal or Systemic Assistance and Performance

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

37.78

Insertion of temporary transvenous pacemaker system

Approximate match.

39.64

Intraoperative cardiac pacemaker

Approximate match.

Similar Procedure Codes

Questions About 5A1223Z

Is 5A1223Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Performance of Cardiac Pacing, Continuous on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for performance of the pacing continuous cardiac?

The FY 2027 ICD-10-PCS Alphabetic Index entry Performance, Cardiac, Continuous, Pacing is a direct entry for 5A1223Z, Performance of Cardiac Pacing, Continuous, billable on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 5A1223Z mean?

The code breaks down character by character: the 1st character 5 is the Section (Extracorporeal or Systemic Assistance and Performance); the 2nd character A is the Body System (Physiological Systems); the 3rd character 1 is the Operation (Performance); the 4th character 2 is the BodySystem (Cardiac); the 5th character 2 is the Duration (Continuous); the 6th character 3 is the Function (Pacing); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 5A1223Z?

Under the General Equivalence Mappings, Performance of Cardiac Pacing, Continuous crosswalks to ICD-9-PCS 37.78 (Insertion of temporary transvenous pacemaker system) and 39.64 (Intraoperative cardiac pacemaker). The mapping is approximate, so confirm it fits the documentation.