0WJH4ZZInspection of Retroperitoneum, Percutaneous Endoscopic Approach
- Billable / Specific Code
0WJH4ZZ is a billable ICD-10-PCS procedure code for Inspection of Retroperitoneum, 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 Retroperitoneal procedures, NEC.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | W | Anatomical Regions, General |
| 3 | Operation | J | Inspection |
| 4 | BodyPart | H | Retroperitoneum |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code thoracotomy of the exploratory, open the FY 2027 ICD-10-PCS Alphabetic Index at Thoracotomy, 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 0WJH4ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0WJH4ZZ
Is 0WJH4ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Retroperitoneum, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0WJH4ZZ 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 H is the BodyPart (Retroperitoneum); 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 0WJH4ZZ group to?
On an inpatient stay, Inspection of Retroperitoneum, Percutaneous Endoscopic Approach maps to MS-DRGs 356, 357, 358, 420, 421, 422, 749, 750, 802, 803, 804, 820, 821, 822, 826, 827, 828, 907, 908, 909, 957, 958, 959, with relative weights from 1.1267 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0WJH4ZZ?
Under the General Equivalence Mappings, Inspection of Retroperitoneum, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 54.29 (Other diagnostic procedures on abdominal region) and 59.29 (Other diagnostic procedures on perirenal tissue, perivesical tissue, and retroperitoneum). The mapping is approximate, so confirm it fits the documentation.
