00CH4ZZExtirpation of Matter from Oculomotor Nerve, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 00CH4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

00CH4ZZ is a billable ICD-10-PCS procedure code for Extirpation of Matter from Oculomotor Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 040, 041, 042. The root operation Extirpation involves taking or cutting out solid matter from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Other CNS drainage and related procedures.

Code Identity

ICD-10-PCS Code
00CH4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Extirpation of Matter from Oculomotor Nerve, Percutaneous Endoscopic Approach
Short Description
Extirpate of Matter from Oculomotor Nrv, 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
3OperationCExtirpation
4BodyPartHOculomotor Nerve
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
Extirpation, Nerve, Oculomotor
Leads to this code's table

To code extirpation of the oculomotor nerve, open the FY 2027 ICD-10-PCS Alphabetic Index at Extirpation, then the subterms Nerve, Oculomotor. The index leads to table 00C, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 00CH4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CNS006
Other CNS drainage and related 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.

04.04
Other incision of cranial and peripheral nerves
Approximate match.

Similar Procedure Codes

Questions About 00CH4ZZ

Is 00CH4ZZ a billable code?

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

What do the characters in 00CH4ZZ 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 C is the Operation (Extirpation); the 4th character H is the BodyPart (Oculomotor 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 00CH4ZZ group to?

On an inpatient stay, Extirpation of Matter from Oculomotor Nerve, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, with relative weights from 1.6757 to 3.7168. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 00CH4ZZ?

Under the General Equivalence Mappings, Extirpation of Matter from Oculomotor Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 04.04 (Other incision of cranial and peripheral nerves). The mapping is approximate, so confirm it fits the documentation.