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ICD-10-PCS/021/02174ZU
Inpatient Procedure Code

02174ZU

Bypass Left Atrium to Pulmonary Vein Confluence, Percutaneous Endoscopic Approach

Bypass Left Atrium to Pulm Vn Cnfl, 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 Operation1

Bypass

Altering the route of passage of the contents of a tubular body part

4
Body Part7

Atrium, Left

5
Approach4

Percutaneous Endoscopic

6
DeviceZ

No Device

7
QualifierU

Pulmonary Vein, Confluence

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 8 MS-DRGs:

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

Contextual Map

Every relationship of 02174ZU 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.

PCS table

  • 021[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

MS-DRG participation

  • DRG 228 — OTHER CARDIOTHORACIC PROCEDURES WITH MCC [MS-DRG]: “OTHER CARDIOTHORACIC PROCEDURES WITH MCC — Other Cardiothoracic Procedures (MDC 05)”
  • DRG 229 — OTHER CARDIOTHORACIC PROCEDURES WITHOUT MCC [MS-DRG]: “OTHER CARDIOTHORACIC PROCEDURES WITHOUT MCC — Other Cardiothoracic Procedures (MDC 05)”
  • DRG 907 — OTHER O.R. PROCEDURES FOR INJURIES WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH MCC — Other O.R. Procedures for Injuries (MDC 21)”
  • DRG 908 — OTHER O.R. PROCEDURES FOR INJURIES WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH CC — Other O.R. Procedures for Injuries (MDC 21)”
  • DRG 909 — OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC — Other O.R. Procedures for Injuries (MDC 21)”
  • DRG 957 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH MCC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”
  • DRG 958 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH CC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”
  • DRG 959 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”

MDC crossing · diagnoses (16966)

  • 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.”
  • 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.”
  • A36.81 — Diphtheritic cardiomyopathy [Same-MDC diagnosis]: “Diphtheritic cardiomyopathy — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
  • A39.50 — Meningococcal carditis, unspecified [Same-MDC diagnosis]: “Meningococcal carditis, unspecified — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
  • A39.51 — Meningococcal endocarditis [Same-MDC diagnosis]: “Meningococcal endocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
  • A39.52 — Meningococcal myocarditis [Same-MDC diagnosis]: “Meningococcal myocarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
  • A39.53 — Meningococcal pericarditis [Same-MDC diagnosis]: “Meningococcal pericarditis — grouped in MDC 05, the diagnosis side of this code's crossing.” · check together
  • and 16961 more

Nearest codes

  • 02170ZU — Bypass Left Atrium to Pulmonary Vein Confluence, Open Approach [One axis away]
  • 021748U — Bypass Left Atrium to Pulmonary Vein Confluence with Zooplastic Tissue, Percutaneous Endoscopic Approach [One axis away]
  • 021749U — Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach [One axis away]
  • 02174AU — Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Arterial Tissue, Percutaneous Endoscopic Approach [One axis away]
  • 02174JU — Bypass Left Atrium to Pulmonary Vein Confluence with Synthetic Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 02174KU — Bypass Left Atrium to Pulmonary Vein Confluence with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 02174ZP — Bypass Left Atrium to Pulmonary Trunk, Percutaneous Endoscopic Approach [One axis away]
  • 02174ZQ — Bypass Left Atrium to Right Pulmonary Artery, Percutaneous Endoscopic Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.