009R0ZZDrainage of Accessory Nerve, Open Approach
- Billable / Specific Code
009R0ZZ is a billable ICD-10-PCS procedure code for Drainage of Accessory Nerve, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 040, 041, 042. 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 | 0 | Central Nervous System and Cranial Nerves |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | R | Accessory Nerve |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 009R0ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 009R0ZZ
Is 009R0ZZ a billable code?
Yes. 009R0ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Accessory Nerve, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 009R0ZZ mean?
009R0ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character 9 is the Operation (Drainage); the 4th character R is the BodyPart (Accessory Nerve); 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 009R0ZZ group to?
On an inpatient stay, Drainage of Accessory Nerve, Open Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.7277 to 3.8612. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 009R0ZZ?
Under the General Equivalence Mappings, Drainage of Accessory Nerve, Open Approach crosswalks to ICD-9-PCS 40.4. The mapping is approximate, so confirm it fits the documentation.
