0K940ZXDrainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 0K940ZX
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

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 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.

Code Identity

ICD-10-PCS Code
0K940ZX
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic
Parent Code
Short Description
Drainage of Tongue/Palate/Phar Muscle, Open Approach, Diagn

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body SystemKMuscles
3Operation9Drainage
4BodyPart4Tongue, Palate, Pharynx Muscle
5Approach0Open
6DeviceZNo Device
7QualifierXDiagnostic

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0K940ZX under the General Equivalence Mappings.

83.21
Approximate match.

Similar Procedure Codes

Questions About 0K940ZX

Is 0K940ZX a billable code?

Yes. 0K940ZX 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, 2025 through September 30, 2026.

What do the characters in 0K940ZX mean?

0K940ZX 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 1.3459 to 3.9841. 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. The mapping is approximate, so confirm it fits the documentation.