0C94X0ZDrainage of Buccal Mucosa with Drainage Device, External Approach
- Billable / Specific Code
0C94X0Z is a billable ICD-10-PCS procedure code for Drainage of Buccal Mucosa with Drainage Device, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from 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 | C | Mouth and Throat |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 4 | Buccal Mucosa |
| 5 | Approach | X | External |
| 6 | Device | 0 | Drainage Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0C94X0Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0C94X0Z
Is 0C94X0Z a billable code?
Yes. 0C94X0Z is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Buccal Mucosa with Drainage Device, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0C94X0Z mean?
0C94X0Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character C is the Body System (Mouth and Throat); the 3rd character 9 is the Operation (Drainage); the 4th character 4 is the BodyPart (Buccal Mucosa); the 5th character X is the Approach (External); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0C94X0Z group to?
On an inpatient stay, Drainage of Buccal Mucosa with Drainage Device, External Approach maps to MS-DRGs 137, 138, 579, 580, 581, 907, 908, 909, 957, 958, 959, with relative weights from 0.8862 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0C94X0Z?
Under the General Equivalence Mappings, Drainage of Buccal Mucosa with Drainage Device, External Approach crosswalks to ICD-9-PCS 27.0. The mapping is approximate, so confirm it fits the documentation.
