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Inpatient Procedure Code

027K4ZZ ICD-10-PCS Code: Dilation of Right Ventricle, Percutaneous Endoscopic Approach

Dilation of Right Ventricle, 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 Operation7

Dilation

Expanding an orifice or the lumen of a tubular body part

4
Body PartK

Ventricle, Right

5
Approach4

Percutaneous Endoscopic

6
DeviceZ

No Device

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.

027F4ZZ — Dilation of Aortic Valve, Percutaneous Endoscopic Approach, 027G4ZZ — Dilation of Mitral Valve, Percutaneous Endoscopic Approach, 027H4ZZ — Dilation of Pulmonary Valve, Percutaneous Endoscopic Approach, 027J4ZZ — Dilation of Tricuspid Valve, Percutaneous Endoscopic Approach, 027L4ZZ — Dilation of Left Ventricle, Percutaneous Endoscopic Approach, 027P4ZZ — Dilation of Pulmonary Trunk, Percutaneous Endoscopic Approach, 027Q4ZZ — Dilation of Right Pulmonary Artery, Percutaneous Endoscopic Approach, 027R4ZZ — Dilation of Left Pulmonary Artery, Percutaneous Endoscopic Approach, +9 more

Same operation — other Approach

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

027K0ZZ — Dilation of Right Ventricle, Open Approach, 027K3ZZ — Dilation of Right Ventricle, Percutaneous Approach

Same operation — other Device

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

027K44Z — Dilation of Right Ventricle with Drug-eluting Intraluminal Device, Percutaneous Endoscopic Approach, 027K4DZ — Dilation of Right Ventricle with Intraluminal Device, 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.

025D4ZZ — Destruction of Papillary Muscle, Percutaneous Endoscopic Approach, 025K0ZZ — Destruction of Right Ventricle, Open Approach, 025K3ZZ — Destruction of Right Ventricle, Percutaneous Approach, 025K4ZZ — Destruction of Right Ventricle, Percutaneous Endoscopic Approach, 025L0ZZ — Destruction of Left Ventricle, Open Approach, 025L3ZZ — Destruction of Left Ventricle, Percutaneous Approach, 025L4ZZ — Destruction of Left Ventricle, Percutaneous Endoscopic Approach, 025M0ZZ — Destruction of Ventricular Septum, Open Approach, 025M3ZZ — Destruction of Ventricular Septum, Percutaneous Approach, 025M4ZZ — Destruction of Ventricular Septum, Percutaneous Endoscopic Approach, 02890ZZ — Division of Chordae Tendineae, Open Approach, 02893ZZ — Division of Chordae Tendineae, Percutaneous Approach, 02894ZZ — Division of Chordae Tendineae, Percutaneous Endoscopic Approach, 028D0ZZ — Division of Papillary Muscle, Open Approach, 028D3ZZ — Division of Papillary Muscle, Percutaneous Approach, 028D4ZZ — Division of Papillary Muscle, Percutaneous Endoscopic Approach, 02B50ZZ — Excision of Atrial Septum, Open Approach, 02B53ZZ — Excision of Atrial Septum, Percutaneous Approach, 02B54ZZ — Excision of Atrial Septum, Percutaneous Endoscopic Approach, 02B60ZZ — Excision of Right Atrium, Open Approach, +314 more

Contextual Map

Every relationship of 027K4ZZ 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

MS-DRG participation

Clinical classification (CCSR)

MDC crossing · diagnoses (8238)

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.