0WJG4ZZInspection of Peritoneal Cavity, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 0WJG4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0WJG4ZZ is a billable ICD-10-PCS procedure code for Inspection of Peritoneal Cavity, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 23 MS-DRGs. The root operation Inspection involves visually and/or manually exploring a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Exploration of peritoneal cavity.

Code Identity

ICD-10-PCS Code
0WJG4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Inspection of Peritoneal Cavity, Percutaneous Endoscopic Approach
Short Description
Inspection of Peritoneal Cavity, Perc Endo Approach
Parent Code

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 SystemWAnatomical Regions, General
3OperationJInspection
4BodyPartGPeritoneal Cavity
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Leads to this code's table
Anatomy or device term that leads here
Anatomy or device term that leads here
Laparotomy, Exploratory
Leads to this code's table
Thoracotomy, Exploratory
Leads to this code's table
Inspection, Peritoneal Cavity
Leads to this code's table

To code laparotomy of the exploratory, open the FY 2027 ICD-10-PCS Alphabetic Index at Laparotomy, then the subterm Exploratory. The index leads to table 0WJ, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0WJG4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

GIS005
Exploration of peritoneal cavity
Clinical domain: Gastrointestinal System Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

54.21
Laparoscopy
Approximate match.

Similar Procedure Codes

Questions About 0WJG4ZZ

Is 0WJG4ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Peritoneal Cavity, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0WJG4ZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character W is the Body System (Anatomical Regions, General); the 3rd character J is the Operation (Inspection); the 4th character G is the BodyPart (Peritoneal Cavity); 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 0WJG4ZZ group to?

On an inpatient stay, Inspection of Peritoneal Cavity, Percutaneous Endoscopic Approach maps to MS-DRGs 356, 357, 358, 420, 421, 422, 579, 580, 581, 673, 674, 675, 744, 745, 802, 803, 804, 907, 908, 909, 957, 958, 959, with relative weights from 1.0655 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0WJG4ZZ?

Under the General Equivalence Mappings, Inspection of Peritoneal Cavity, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 54.21 (Laparoscopy). The mapping is approximate, so confirm it fits the documentation.