00764ZZDilation of Cerebral Ventricle, Percutaneous Endoscopic Approach

Medical and Surgical›Central Nervous System and Cranial Nerves›Dilation
  • Billable / Specific Code
ICD-10-PCS 00764ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

00764ZZ is a billable ICD-10-PCS procedure code for Dilation of Cerebral Ventricle, 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 Dilation involves expanding an orifice or the lumen of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under CNS procedures, NEC.

Code Identity

ICD-10-PCS Code
00764ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Cerebral Ventricle, Percutaneous Endoscopic Approach
Short Description
Dilation of Cerebral Ventricle, Perc Endo Approach
Parent Code
007 Central Nervous System and Cranial Nerves, Dilation

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
3Operation7Dilation
4BodyPart6Cerebral Ventricle
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:

Ependyma
Anatomy or device term that leads here
Choroid plexus
Anatomy or device term that leads here
Third ventricle
Anatomy or device term that leads here
Fourth ventricle
Anatomy or device term that leads here
Aqueduct of Sylvius
Anatomy or device term that leads here
Left lateral ventricle
Anatomy or device term that leads here
Right lateral ventricle
Anatomy or device term that leads here
Cerebral aqueduct (Sylvius)
Anatomy or device term that leads here
Dilation, Cerebral Ventricle
Leads to this code's table
Interventricular foramen (Monro)
Anatomy or device term that leads here
Foramen of Monro (intraventricular)
Anatomy or device term that leads here

To code dilation of the cerebral ventricle, open the FY 2027 ICD-10-PCS Alphabetic Index at Dilation, then the subterm Cerebral Ventricle. The index leads to table 007, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 00764ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CNS014
CNS procedures, NEC
Clinical domain: Central Nervous System Procedures

Code History

Replaces previously assigned code(s):
  • 00Q64ZZ — Repair Cerebral Ventricle, Percutaneous Endoscopic Approach

Similar Procedure Codes

Questions About 00764ZZ

Is 00764ZZ a billable code?

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

What do the characters in 00764ZZ 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 7 is the Operation (Dilation); the 4th character 6 is the BodyPart (Cerebral Ventricle); 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 00764ZZ group to?

On an inpatient stay, Dilation of Cerebral Ventricle, Percutaneous Endoscopic Approach maps to MS-DRGs 023, 024, 025, 026, 027, 907, 908, 909, 955, with relative weights from 1.3810 to 6.5257. The MS-DRG sets the fixed Medicare payment for the stay.