0N964ZZDrainage of Left Temporal Bone, Percutaneous Endoscopic Approach
- Billable / Specific Code
0N964ZZ is a billable ICD-10-PCS procedure code for Drainage of Left Temporal Bone, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 5 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 | N | Head and Facial Bones |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 6 | Temporal Bone, Left |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0N964ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0N964ZZ
Is 0N964ZZ a billable code?
Yes. 0N964ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Left Temporal Bone, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0N964ZZ mean?
0N964ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character N is the Body System (Head and Facial Bones); the 3rd character 9 is the Operation (Drainage); the 4th character 6 is the BodyPart (Temporal Bone, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0N964ZZ group to?
On an inpatient stay, Drainage of Left Temporal Bone, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, with relative weights from 2.5229 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0N964ZZ?
Under the General Equivalence Mappings, Drainage of Left Temporal Bone, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 12.1. The mapping is approximate, so confirm it fits the documentation.
