04U44KZSupplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 04U44KZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

04U44KZ is a billable ICD-10-PCS procedure code for Supplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Supplement involves putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part.

Code Identity

ICD-10-PCS Code
04U44KZ
Billable Status
Yes — Valid for Submission
Code Describes
Supplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
Parent Code
Short Description
Supplement Splenic Art with Nonaut Sub, Perc Endo 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
3OperationUSupplement
4BodyPart4Splenic Artery
5Approach4Percutaneous Endoscopic
6DeviceKNonautologous Tissue Substitute
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 04U44KZ under the General Equivalence Mappings.

39.58
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 04144KR — Bypass Splenic Art to Low Art w Nonaut Sub, Perc Endo

Similar Procedure Codes

Questions About 04U44KZ

Is 04U44KZ a billable code?

Yes. 04U44KZ is a complete seven-character ICD-10-PCS code, specific enough to report Supplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 04U44KZ mean?

04U44KZ 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 U is the Operation (Supplement); the 4th character 4 is the BodyPart (Splenic Artery); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character K is the Device (Nonautologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 04U44KZ group to?

On an inpatient stay, Supplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 252, 253, 254, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 04U44KZ?

Under the General Equivalence Mappings, Supplement Splenic Artery with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.58. The mapping is approximate, so confirm it fits the documentation.