04730Z1Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach

Medical and Surgical›Lower Arteries›Dilation
  • Billable / Specific Code
ICD-10-PCS 04730Z1
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

04730Z1 is a billable ICD-10-PCS procedure code for Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
04730Z1
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach
Parent Code
047
Short Description
Dilation of Hepatic Artery using Drug Blln, Open Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System4Lower Arteries
3Operation7Dilation
4BodyPart3Hepatic Artery
5Approach0Open
6DeviceZNo Device
7Qualifier1Drug-Coated Balloon

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 04730Z1 under the General Equivalence Mappings.

39.50
Approximate match; combination (more than one code may be needed).
40
Approximate match; combination (more than one code may be needed).

Code History

Replaces previously assigned code(s):
  • 04730ZZ — Dilation of Hepatic Artery, Open Approach

Similar Procedure Codes

Questions About 04730Z1

Is 04730Z1 a billable code?

Yes. 04730Z1 is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 04730Z1 mean?

04730Z1 breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character 7 is the Operation (Dilation); the 4th character 3 is the BodyPart (Hepatic Artery); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character 1 is the Qualifier (Drug-Coated Balloon).

What MS-DRG does 04730Z1 group to?

On an inpatient stay, Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 04730Z1?

Under the General Equivalence Mappings, Dilation of Hepatic Artery using Drug-Coated Balloon, Open Approach crosswalks to ICD-9-PCS 39.50 and 40. The mapping is approximate, so confirm it fits the documentation.