0WJ50ZZInspection of Lower Jaw, Open Approach
- Billable / Specific Code
0WJ50ZZ is a billable ICD-10-PCS procedure code for Inspection of Lower Jaw, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 579, 580, 581. The root operation Inspection involves visually and/or manually exploring a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT diagnostic procedures (non-endoscopic).
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 | 5 | Lower Jaw |
| 5 | Approach | 0 | Open |
| 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 inspection of the lower jaw, open the FY 2027 ICD-10-PCS Alphabetic Index at Inspection, then the subterms Jaw, Lower. The index leads to table 0WJ, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0WJ50ZZ.
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 0WJ50ZZ
Is 0WJ50ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Lower Jaw, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0WJ50ZZ 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 5 is the BodyPart (Lower Jaw); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0WJ50ZZ group to?
On an inpatient stay, Inspection of Lower Jaw, Open Approach maps to MS-DRGs 579, 580, 581, with relative weights from 1.5356 to 3.2488. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0WJ50ZZ?
Under the General Equivalence Mappings, Inspection of Lower Jaw, Open Approach crosswalks to ICD-9-PCS 86.09 (Other incision of skin and subcutaneous tissue). The mapping is approximate, so confirm it fits the documentation.
