00XM4ZGTransfer Facial Nerve to Optic Nerve, Percutaneous Endoscopic Approach
- Billable / Specific Code
00XM4ZG is a billable ICD-10-PCS procedure code for Transfer Facial Nerve to Optic Nerve, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Transfer involves moving, without taking out, all or a portion of a body part to another location to take over the function of all or a portion of a body part.
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 | X | Transfer |
| 4 | BodyPart | M | Facial Nerve |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | G | Optic Nerve |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 00XM4ZG under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 00XM4ZG
Is 00XM4ZG a billable code?
Yes. 00XM4ZG is a complete seven-character ICD-10-PCS code, specific enough to report Transfer Facial Nerve to Optic Nerve, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 00XM4ZG mean?
00XM4ZG 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 X is the Operation (Transfer); the 4th character M is the BodyPart (Facial Nerve); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character G is the Qualifier (Optic Nerve).
What MS-DRG does 00XM4ZG group to?
On an inpatient stay, Transfer Facial Nerve to Optic Nerve, Percutaneous Endoscopic Approach maps to MS-DRGs 040, 041, 042, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 00XM4ZG?
Under the General Equivalence Mappings, Transfer Facial Nerve to Optic Nerve, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 46 and 47.4. The mapping is approximate, so confirm it fits the documentation.
