079B4ZZDrainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 079B4ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

079B4ZZ is a billable ICD-10-PCS procedure code for Drainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 6 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.

Code Identity

ICD-10-PCS Code
079B4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach
Parent Code
Short Description
Drainage of Mesenteric Lymphatic, 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 System7Lymphatic and Hemic Systems
3Operation9Drainage
4BodyPartBLymphatic, Mesenteric
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 079B4ZZ under the General Equivalence Mappings.

40.0
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 079B8ZZ — Drainage of Mesenteric Lymphatic, Endo

Similar Procedure Codes

Questions About 079B4ZZ

Is 079B4ZZ a billable code?

Yes. 079B4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 079B4ZZ mean?

079B4ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 7 is the Body System (Lymphatic and Hemic Systems); the 3rd character 9 is the Operation (Drainage); the 4th character B is the BodyPart (Lymphatic, Mesenteric); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 079B4ZZ group to?

On an inpatient stay, Drainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach maps to MS-DRGs 579, 580, 581, 802, 803, 804, with relative weights from 1.3560 to 3.9841. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 079B4ZZ?

Under the General Equivalence Mappings, Drainage of Mesenteric Lymphatic, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 40.0. The mapping is approximate, so confirm it fits the documentation.