0WJ40ZZInspection of Upper Jaw, Open Approach
- Billable / Specific Code
0WJ40ZZ is a billable ICD-10-PCS procedure code for Inspection of Upper Jaw, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 579, 580, 581. The root operation Inspection involves visually and/or manually exploring a body part.
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 | 4 | Upper Jaw |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0WJ40ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0WJ40ZZ
Is 0WJ40ZZ a billable code?
Yes. 0WJ40ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Inspection of Upper Jaw, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0WJ40ZZ mean?
0WJ40ZZ 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 4 is the BodyPart (Upper 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 0WJ40ZZ group to?
On an inpatient stay, Inspection of Upper Jaw, Open Approach maps to MS-DRGs 579, 580, 581, with relative weights from 1.4431 to 3.2385. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0WJ40ZZ?
Under the General Equivalence Mappings, Inspection of Upper Jaw, Open Approach crosswalks to ICD-9-PCS 86.09. The mapping is approximate, so confirm it fits the documentation.
