00503Z4Destruction of Brain using Stereoelectroencephalographic Radiofrequency Ablation, Percutaneous Approach
- Billable / Specific Code
00503Z4 is a billable ICD-10-PCS procedure code for Destruction of Brain using Stereoelectroencephalographic Radiofrequency Ablation, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 15 MS-DRGs. The root operation Destruction involves physical eradication of all or a portion of a body part by the direct use of energy, force, or a destructive agent. The Alphabetic Index lists this code under OneRF(tm) Ablation System. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under CNS excision procedures.
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 | 5 | Destruction |
| 4 | BodyPart | 0 | Brain |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device | Z | No Device |
| 7 | Qualifier | 4 | Stereoelectroencephalographic Radiofrequency Ablation |
In the ICD-10-PCS Alphabetic Index
The FY 2027 ICD-10-PCS Alphabetic Index refers to 00503Z4 as OneRF(tm) Ablation System. These index entries lead to this code:
To code temperature-controlled sEEG radiofrequency ablation, open the FY 2027 ICD-10-PCS Alphabetic Index at Temperature-controlled sEEG radiofrequency ablation. The entry lists 00503Z4 directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Code History
- 00503ZZ — Destruction of Brain, Percutaneous Approach
Similar Procedure Codes
Questions About 00503Z4
Is 00503Z4 a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Destruction of Brain using Stereoelectroencephalographic Radiofrequency Ablation, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for OneRF(tm) Ablation System?
The ICD-10-PCS Alphabetic Index lists OneRF(tm) Ablation System under code 00503Z4, Destruction of Brain using Stereoelectroencephalographic Radiofrequency Ablation, Percutaneous Approach, billable on inpatient claims in fiscal year 2027.
What do the characters in 00503Z4 mean?
The code 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 5 is the Operation (Destruction); the 4th character 0 is the BodyPart (Brain); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character 4 is the Qualifier (Stereoelectroencephalographic Radiofrequency Ablation).
What MS-DRG does 00503Z4 group to?
On an inpatient stay, Destruction of Brain using Stereoelectroencephalographic Radiofrequency Ablation, Percutaneous Approach maps to MS-DRGs 023, 024, 025, 026, 027, 820, 821, 822, 826, 827, 828, 907, 908, 909, 955, with relative weights from 1.1267 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.
