0WB30ZZExcision of Oral Cavity and Throat, Open Approach
- Billable / Specific Code
0WB30ZZ is a billable ICD-10-PCS procedure code for Excision of Oral Cavity and Throat, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 137, 138. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT excision (excluding nasal passage, sinuses, tongue, salivary glands, larynx).
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 | B | Excision |
| 4 | BodyPart | 3 | Oral Cavity and Throat |
| 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 excision of the floor of mouth, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterm Floor of mouth. The index leads to table 0WB, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0WB30ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Similar Procedure Codes
Questions About 0WB30ZZ
Is 0WB30ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Oral Cavity and Throat, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0WB30ZZ 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 B is the Operation (Excision); the 4th character 3 is the BodyPart (Oral Cavity and Throat); 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 0WB30ZZ group to?
On an inpatient stay, Excision of Oral Cavity and Throat, Open Approach maps to MS-DRGs 137, 138, with relative weights from 0.9184 to 1.2517. The MS-DRG sets the fixed Medicare payment for the stay.
