0K940ZXDrainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic
- Billable / Specific Code
0K940ZX is a billable ICD-10-PCS procedure code for Drainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from 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 | K | Muscles |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 4 | Tongue, Palate, Pharynx Muscle |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
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 0K940ZX
Is 0K940ZX a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0K940ZX mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character K is the Body System (Muscles); the 3rd character 9 is the Operation (Drainage); the 4th character 4 is the BodyPart (Tongue, Palate, Pharynx Muscle); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).
What MS-DRG does 0K940ZX group to?
On an inpatient stay, Drainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic maps to MS-DRGs 040, 041, 042, 500, 501, 502, 579, 580, 581, 802, 803, 804, with relative weights from 1.4218 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0K940ZX?
Under the General Equivalence Mappings, Drainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic crosswalks to ICD-9-PCS 83.21 (Open biopsy of soft tissue). The mapping is approximate, so confirm it fits the documentation.
