057L4ZZDilation of Intracranial Vein, Percutaneous Endoscopic Approach
- Billable / Specific Code
- Medicare Coverage Alert
057L4ZZ is a billable ICD-10-PCS procedure code for Dilation of Intracranial Vein, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part. Medicare may not cover this procedure; review the non-covered procedure codes edit.
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 | 5 | Upper Veins |
| 3 | Operation | 7 | Dilation |
| 4 | BodyPart | L | Intracranial Vein |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Medicare Code Edits
Medicare Code Editor checks that affect claim validity for 057L4ZZ.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 057L4ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 057L4ZZ
Is 057L4ZZ a billable code?
Yes. 057L4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Intracranial Vein, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 057L4ZZ mean?
057L4ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character 7 is the Operation (Dilation); the 4th character L is the BodyPart (Intracranial Vein); 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 057L4ZZ group to?
On an inpatient stay, Dilation of Intracranial Vein, Percutaneous Endoscopic Approach maps to MS-DRGs 020, 021, 022, 023, 024, 025, 026, 027, 252, 253, 254, with relative weights from 1.7817 to 7.8688. The MS-DRG sets the fixed Medicare payment for the stay.
Is 057L4ZZ covered by Medicare?
Review coverage carefully. The Medicare Code Editor applies a non-covered procedure codes edit to 057L4ZZ, which can affect payment for Dilation of Intracranial Vein, Percutaneous Endoscopic Approach.
What is the ICD-9-PCS equivalent of 057L4ZZ?
Under the General Equivalence Mappings, Dilation of Intracranial Vein, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.50 and 40. The mapping is approximate, so confirm it fits the documentation.
