00BY4ZZExcision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 00BY4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

00BY4ZZ is a billable ICD-10-PCS procedure code for Excision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under CNS excision procedures.

Code Identity

ICD-10-PCS Code
00BY4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach
Short Description
Excision of Lumbar Spinal Cord, Perc Endo Approach
Parent Code

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System0Central Nervous System and Cranial Nerves
3OperationBExcision
4BodyPartYLumbar Spinal Cord
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Leads to this code's table
Anatomy or device term that leads here
Anatomy or device term that leads here
Excision, Spinal Cord, Lumbar
Leads to this code's table

To code excision of the lumbar spinal cord, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterms Spinal Cord, Lumbar. The index leads to table 00B, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 00BY4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CNS007
CNS excision procedures
Clinical domain: Central Nervous System Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

03.4
Excision or destruction of lesion of spinal cord or spinal meninges
Approximate match.

Similar Procedure Codes

Questions About 00BY4ZZ

Is 00BY4ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 00BY4ZZ 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 B is the Operation (Excision); the 4th character Y is the BodyPart (Lumbar Spinal Cord); 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 00BY4ZZ group to?

On an inpatient stay, Excision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach maps to MS-DRGs 028, 029, 030, 820, 821, 822, 826, 827, 828, with relative weights from 1.1267 to 6.2454. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 00BY4ZZ?

Under the General Equivalence Mappings, Excision of Lumbar Spinal Cord, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 03.4 (Excision or destruction of lesion of spinal cord or spinal meninges). The mapping is approximate, so confirm it fits the documentation.