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Inpatient Procedure Code

02R74KZ ICD-10-PCS Code: Replacement of Left Atrium with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

Replacement of L Atrium with Nonaut Sub, Perc Endo Approach

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body System2

Heart and Great Vessels

3
Root OperationR

Replacement

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

4
Body Part7

Atrium, Left

5
Approach4

Percutaneous Endoscopic

6
DeviceK

Nonautologous Tissue Substitute

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 6 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

02R54KZ — Replacement of Atrial Septum with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02R64KZ — Replacement of Right Atrium with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02R94KZ — Replacement of Chordae Tendineae with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02RD4KZ — Replacement of Papillary Muscle with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02RF4KZ — Replacement of Aortic Valve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02RG4KZ — Replacement of Mitral Valve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02RH4KZ — Replacement of Pulmonary Valve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 02RJ4KZ — Replacement of Tricuspid Valve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, +12 more

Same operation — other Approach

Same table and root operation, differing only in the approach character.

02R70KZ — Replacement of Left Atrium with Nonautologous Tissue Substitute, Open Approach

Same operation — other Device

Same table and root operation, differing only in the device character.

02R747Z — Replacement of Left Atrium with Autologous Tissue Substitute, Percutaneous Endoscopic Approach, 02R748Z — Replacement of Left Atrium with Zooplastic Tissue, Percutaneous Endoscopic Approach, 02R74JZ — Replacement of Left Atrium with Synthetic Substitute, Percutaneous Endoscopic Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Septal repair and other therapeutic heart procedures (Cardiovascular Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

02QD4ZZ — Repair Papillary Muscle, Percutaneous Endoscopic Approach, 02QK0ZZ — Repair Right Ventricle, Open Approach, 02QK3ZZ — Repair Right Ventricle, Percutaneous Approach, 02QK4ZZ — Repair Right Ventricle, Percutaneous Endoscopic Approach, 02QL0ZZ — Repair Left Ventricle, Open Approach, 02QL3ZZ — Repair Left Ventricle, Percutaneous Approach, 02QL4ZZ — Repair Left Ventricle, Percutaneous Endoscopic Approach, 02QM0ZZ — Repair Ventricular Septum, Open Approach, 02QM3ZZ — Repair Ventricular Septum, Percutaneous Approach, 02QM4ZZ — Repair Ventricular Septum, Percutaneous Endoscopic Approach, 02T50ZZ — Resection of Atrial Septum, Open Approach, 02T53ZZ — Resection of Atrial Septum, Percutaneous Approach, 02T54ZZ — Resection of Atrial Septum, Percutaneous Endoscopic Approach, 02T90ZZ — Resection of Chordae Tendineae, Open Approach, 02T93ZZ — Resection of Chordae Tendineae, Percutaneous Approach, 02T94ZZ — Resection of Chordae Tendineae, Percutaneous Endoscopic Approach, 02TD0ZZ — Resection of Papillary Muscle, Open Approach, 02TD3ZZ — Resection of Papillary Muscle, Percutaneous Approach, 02TD4ZZ — Resection of Papillary Muscle, Percutaneous Endoscopic Approach, 02TM0ZZ — Resection of Ventricular Septum, Open Approach, +268 more

Contextual Map

Every relationship of 02R74KZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run 02R74KZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation

Clinical classification (CCSR)

MDC crossing · diagnoses (8238)

  • MDC 05 — Diseases and Disorders of the Circulatory System[MDC crossing]: “Diseases and Disorders of the Circulatory System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2026
  • MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs[MDC crossing]: “Injuries, Poisonings and Toxic Effects of Drugs — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2026
  • A36.81 — Diphtheritic cardiomyopathy[Same-MDC diagnosis]: “Diphtheritic cardiomyopathy — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.50 — Meningococcal carditis, unspecified[Same-MDC diagnosis]: “Meningococcal carditis, unspecified — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.51 — Meningococcal endocarditis[Same-MDC diagnosis]: “Meningococcal endocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.52 — Meningococcal myocarditis[Same-MDC diagnosis]: “Meningococcal myocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A39.53 — Meningococcal pericarditis[Same-MDC diagnosis]: “Meningococcal pericarditis — grouped in MDC 05, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 8233 more

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels