ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 0270 includes procedures performed to dilate vessels or lumens in the coronary artery. These ICD-10-PCS codes are used for inpatient documentation when a clinician performs a dilation procedure on a single coronary artery to restore or improve blood flow. Accurate coding within the ICD-10-PCS 0270 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Coronary Artery Dilation Procedure Overview

This procedure group includes dilation of a coronary artery within the heart and great vessels system to expand an orifice or the lumen. Procedures in this group target a coronary artery (one artery) and involve mechanical or balloon techniques to improve blood flow. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific intervention performed and supports appropriate case mix assignment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
7	Operation	Dilation
0	Body Part	Coronary Artery, One Artery

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ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

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Coronary Artery Dilation Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
2	Body System	Heart and Great Vessels
7	Operation	Dilation
0	Body Part	Coronary Artery, One Artery

When to Use

Use a code from this group when a dilation procedure is performed on a single coronary artery during an inpatient encounter. These codes apply when the clinical intent is to expand the arterial lumen to improve coronary blood flow.

ICD-10-PCS Codes

60 rows

ICD-10-PCS Code	Description
0270046	Dilation of Coronary Artery, One Artery, Bifurcation, with Drug-eluting Intraluminal Device, Open Approach
027004Z	Dilation of Coronary Artery, One Artery with Drug-eluting Intraluminal Device, Open Approach
0270056	Dilation of Coronary Artery, One Artery, Bifurcation, with Two Drug-eluting Intraluminal Devices, Open Approach
027005Z	Dilation of Coronary Artery, One Artery with Two Drug-eluting Intraluminal Devices, Open Approach
0270066	Dilation of Coronary Artery, One Artery, Bifurcation, with Three Drug-eluting Intraluminal Devices, Open Approach
027006Z	Dilation of Coronary Artery, One Artery with Three Drug-eluting Intraluminal Devices, Open Approach
0270076	Dilation of Coronary Artery, One Artery, Bifurcation, with Four or More Drug-eluting Intraluminal Devices, Open Approach
027007Z	Dilation of Coronary Artery, One Artery with Four or More Drug-eluting Intraluminal Devices, Open Approach
02700D6	Dilation of Coronary Artery, One Artery, Bifurcation, with Intraluminal Device, Open Approach
02700DZ	Dilation of Coronary Artery, One Artery with Intraluminal Device, Open Approach

Showing 1–10 of 60

DRG Codes

12 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
231	Coronary Bypass with PTCA with MCC
232	Coronary Bypass with PTCA without MCC
250	Percutaneous Cardiovascular Procedures without Intraluminal Device with MCC
251	Percutaneous Cardiovascular Procedures without Intraluminal Device without MCC
321	Percutaneous Cardiovascular Procedures with Intraluminal Device with MCC or 4+ Arteries/Intraluminal Devices
322	Percutaneous Cardiovascular Procedures with Intraluminal Device without MCC
323	Coronary Intravascular Lithotripsy with Intraluminal Device with MCC
324	Coronary Intravascular Lithotripsy with Intraluminal Device without MCC

Showing 1–10 of 12

Typical Clinical Scenarios

An elderly patient presents to the hospital with acute ST-elevation myocardial infarction (STEMI) and ongoing chest pain unresponsive to medical therapy; urgent coronary angiography identifies a single-vessel critical stenosis in the proximal left anterior descending coronary artery requiring immediate mechanical dilation to restore perfusion and limit myocardial damage. A dilation procedure on the affected coronary artery is performed during the same inpatient intervention to reestablish blood flow. Typical codes: 02703Z6, 027034Z
A middle-aged patient with stable exertional angina undergoes an elective inpatient percutaneous coronary intervention after noninvasive testing and coronary angiography show a single discrete lesion in one coronary artery; the planned procedure uses balloon dilation followed by placement of a drug-eluting stent to reduce restenosis risk. Because the case is scheduled and involves a single coronary artery with a drug-eluting intraluminal device via a percutaneous approach, a code reflecting dilation with a drug-eluting device is used. Typical codes: 027034Z, 027035Z
A patient previously treated with balloon angioplasty for a single coronary artery lesion returns with recurrent symptomatic restenosis at the treated bifurcation segment; during the inpatient admission for worsening ischemia, repeat dilation is performed at the bifurcation and two intraluminal devices are deployed to scaffold both branches. The procedure targets one coronary artery bifurcation and involves placement of two intraluminal devices to address recurrent narrowing. Typical codes: 02703E6, 0270356

ICD-10-PCS Code For Coronary Artery, Two Arteries: Procedure Code Group Overview

0272-CORONARY-ARTERY-THREE-ARTERIES-DILATION

ICD-10-PCS Code For Coronary Artery, Three Arteries: Procedure Code Group Overview

0273-CORONARY-ARTERY-DILATION

ICD-10-PCS Code For Coronary Artery, Four Or More Arteries: Procedure Code Group Overview

027F-AORTIC-VALVE-DILATION

ICD-10-PCS Code For Aortic Valve: Procedure Code Group Overview

027G-MITRAL-VALVE-DILATION

ICD-10-PCS Code For Mitral Valve: Procedure Code Group Overview

027H-PULMONARY-VALVE-DILATION

ICD-10-PCS Code For Pulmonary Valve: Procedure Code Group Overview

027J-TRICUSPID-VALVE-DILATION

ICD-10-PCS Code For Tricuspid Valve: Procedure Code Group Overview

027K-VENTRICLE-RIGHT-DILATION

ICD-10-PCS Code For Ventricle Right: Procedure Code Group Overview

027L-VENTRICLE-LEFT-DILATION

ICD-10-PCS Code For Ventricle Left: Procedure Code Group Overview

027P-PULMONARY-TRUNK-EXPANDING-PULMONARY-TRUNK-DILATION

ICD-10-PCS Code For Pulmonary Trunk: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

60 rows

ICD-10-PCS Code	Description
0270046	Dilation of Coronary Artery, One Artery, Bifurcation, with Drug-eluting Intraluminal Device, Open Approach
027004Z	Dilation of Coronary Artery, One Artery with Drug-eluting Intraluminal Device, Open Approach
0270056	Dilation of Coronary Artery, One Artery, Bifurcation, with Two Drug-eluting Intraluminal Devices, Open Approach
027005Z	Dilation of Coronary Artery, One Artery with Two Drug-eluting Intraluminal Devices, Open Approach
0270066	Dilation of Coronary Artery, One Artery, Bifurcation, with Three Drug-eluting Intraluminal Devices, Open Approach
027006Z	Dilation of Coronary Artery, One Artery with Three Drug-eluting Intraluminal Devices, Open Approach
0270076	Dilation of Coronary Artery, One Artery, Bifurcation, with Four or More Drug-eluting Intraluminal Devices, Open Approach
027007Z	Dilation of Coronary Artery, One Artery with Four or More Drug-eluting Intraluminal Devices, Open Approach
02700D6	Dilation of Coronary Artery, One Artery, Bifurcation, with Intraluminal Device, Open Approach
02700DZ	Dilation of Coronary Artery, One Artery with Intraluminal Device, Open Approach

Showing 1–10 of 60

DRG Codes

12 rows

DRG Code	Description
228	Other Cardiothoracic Procedures with MCC
229	Other Cardiothoracic Procedures without MCC
231	Coronary Bypass with PTCA with MCC
232	Coronary Bypass with PTCA without MCC
250	Percutaneous Cardiovascular Procedures without Intraluminal Device with MCC
251	Percutaneous Cardiovascular Procedures without Intraluminal Device without MCC
321	Percutaneous Cardiovascular Procedures with Intraluminal Device with MCC or 4+ Arteries/Intraluminal Devices
322	Percutaneous Cardiovascular Procedures with Intraluminal Device without MCC
323	Coronary Intravascular Lithotripsy with Intraluminal Device with MCC
324	Coronary Intravascular Lithotripsy with Intraluminal Device without MCC

Showing 1–10 of 12

Typical Clinical Scenarios

An elderly patient presents to the hospital with acute ST-elevation myocardial infarction (STEMI) and ongoing chest pain unresponsive to medical therapy; urgent coronary angiography identifies a single-vessel critical stenosis in the proximal left anterior descending coronary artery requiring immediate mechanical dilation to restore perfusion and limit myocardial damage. A dilation procedure on the affected coronary artery is performed during the same inpatient intervention to reestablish blood flow. Typical codes: 02703Z6, 027034Z
A middle-aged patient with stable exertional angina undergoes an elective inpatient percutaneous coronary intervention after noninvasive testing and coronary angiography show a single discrete lesion in one coronary artery; the planned procedure uses balloon dilation followed by placement of a drug-eluting stent to reduce restenosis risk. Because the case is scheduled and involves a single coronary artery with a drug-eluting intraluminal device via a percutaneous approach, a code reflecting dilation with a drug-eluting device is used. Typical codes: 027034Z, 027035Z
A patient previously treated with balloon angioplasty for a single coronary artery lesion returns with recurrent symptomatic restenosis at the treated bifurcation segment; during the inpatient admission for worsening ischemia, repeat dilation is performed at the bifurcation and two intraluminal devices are deployed to scaffold both branches. The procedure targets one coronary artery bifurcation and involves placement of two intraluminal devices to address recurrent narrowing. Typical codes: 02703E6, 0270356

ICD-10-PCS Code For Coronary Artery, Two Arteries: Procedure Code Group Overview

0272-CORONARY-ARTERY-THREE-ARTERIES-DILATION

ICD-10-PCS Code For Coronary Artery, Three Arteries: Procedure Code Group Overview

0273-CORONARY-ARTERY-DILATION

ICD-10-PCS Code For Coronary Artery, Four Or More Arteries: Procedure Code Group Overview

027F-AORTIC-VALVE-DILATION

ICD-10-PCS Code For Aortic Valve: Procedure Code Group Overview

027G-MITRAL-VALVE-DILATION

ICD-10-PCS Code For Mitral Valve: Procedure Code Group Overview

027H-PULMONARY-VALVE-DILATION

ICD-10-PCS Code For Pulmonary Valve: Procedure Code Group Overview

027J-TRICUSPID-VALVE-DILATION

ICD-10-PCS Code For Tricuspid Valve: Procedure Code Group Overview

027K-VENTRICLE-RIGHT-DILATION

ICD-10-PCS Code For Ventricle Right: Procedure Code Group Overview

027L-VENTRICLE-LEFT-DILATION

ICD-10-PCS Code For Ventricle Left: Procedure Code Group Overview

027P-PULMONARY-TRUNK-EXPANDING-PULMONARY-TRUNK-DILATION

ICD-10-PCS Code For Pulmonary Trunk: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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OpenPayer

ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

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Coronary Artery Dilation Procedure Overview

Code Attributes

OpenPayer

ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview policy alerts

Coronary Artery Dilation Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview policy alerts

Coronary Artery Dilation Procedure Overview

Code Attributes

ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Coronary Artery: Procedure Code Group Overview policy alerts

Coronary Artery Dilation Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers dilation of a single coronary artery?

What body system and operation are represented by the 0270 code group?

How are individual devices or numbers of intraluminal devices indicated in codes under 0270?

What approaches are represented across the 0270 code set?

Which DRG categories are related to procedures coded in the 0270 group?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-PCS code group covers dilation of a single coronary artery?

What body system and operation are represented by the 0270 code group?

How are individual devices or numbers of intraluminal devices indicated in codes under 0270?

What approaches are represented across the 0270 code set?

Which DRG categories are related to procedures coded in the 0270 group?

References