019N4ZZDrainage of Lumbar Sympathetic Nerve, Percutaneous Endoscopic Approach
- Billable / Specific Code
019N4ZZ is a billable ICD-10-PCS procedure code for Drainage of Lumbar Sympathetic Nerve, Percutaneous Endoscopic 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, 264. 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 Peripheral nerve procedures, NEC.
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 | 1 | Peripheral Nervous System |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | N | Lumbar Sympathetic Nerve |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2026 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 019N4ZZ
Is 019N4ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Lumbar Sympathetic Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 019N4ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 1 is the Body System (Peripheral Nervous System); the 3rd character 9 is the Operation (Drainage); the 4th character N is the BodyPart (Lumbar Sympathetic Nerve); 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 019N4ZZ group to?
On an inpatient stay, Drainage of Lumbar Sympathetic Nerve, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 264, 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 019N4ZZ?
Under the General Equivalence Mappings, Drainage of Lumbar Sympathetic Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 05.89 (Other operations on sympathetic nerves or ganglia). The mapping is approximate, so confirm it fits the documentation.
