00RM07ZReplacement of Facial Nerve with Autologous Tissue Substitute, Open Approach

Medical and Surgical›Central Nervous System and Cranial Nerves›Replacement
  • Billable / Specific Code
ICD-10-PCS 00RM07Z
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

00RM07Z is a billable ICD-10-PCS procedure code for Replacement of Facial Nerve with Autologous Tissue Substitute, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Replacement involves putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Meninges repair.

Code Identity

ICD-10-PCS Code
00RM07Z
Billable Status
Yes — Valid for Submission
Code Describes
Replacement of Facial Nerve with Autologous Tissue Substitute, Open Approach
Short Description
Replacement of Facial Nerve with Autol Sub, Open Approach
Parent Code
00R

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
3OperationRReplacement
4BodyPartMFacial Nerve
5Approach0Open
6Device7Autologous Tissue Substitute
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Chorda tympani
Anatomy or device term that leads here
Parotid plexus
Anatomy or device term that leads here
Geniculate ganglion
Anatomy or device term that leads here
Seventh cranial nerve
Anatomy or device term that leads here
Nerve to the stapedius
Anatomy or device term that leads here
Submandibular ganglion
Anatomy or device term that leads here
Replacement, Nerve, Facial
Leads to this code's table
Posterior auricular nerve
Anatomy or device term that leads here
Greater superficial petrosal nerve
Anatomy or device term that leads here

To code replacement of the facial nerve, open the FY 2027 ICD-10-PCS Alphabetic Index at Replacement, then the subterms Nerve, Facial. The index leads to table 00R, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 00RM07Z.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CNS011
Meninges repair
Clinical domain: Central Nervous System Procedures

Code History

Replaces previously assigned code(s):
  • 00QM0ZZ — Repair Facial Nerve, Open Approach

Similar Procedure Codes

Questions About 00RM07Z

Is 00RM07Z a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Replacement of Facial Nerve with Autologous Tissue Substitute, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 00RM07Z 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 R is the Operation (Replacement); the 4th character M is the BodyPart (Facial Nerve); the 5th character 0 is the Approach (Open); the 6th character 7 is the Device (Autologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 00RM07Z group to?

On an inpatient stay, Replacement of Facial Nerve with Autologous Tissue Substitute, Open Approach maps to MS-DRGs 040, 041, 042, 143, 144, 145, 907, 908, 909, 957, 958, 959, with relative weights from 1.2335 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.