00RM4JZReplacement of Facial Nerve with Synthetic Substitute, Percutaneous Endoscopic Approach

Medical and Surgical›Central Nervous System and Cranial Nerves›Replacement

Billable / Specific Code

ICD-10-PCS 00RM4JZ

CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.

00RM4JZ is a billable ICD-10-PCS procedure code for Replacement of Facial Nerve with Synthetic Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027).

Code Identity

ICD-10-PCS Code

00RM4JZ

Billable Status

Yes — Valid for Submission

Code Describes

Replacement of Facial Nerve with Synthetic Substitute, Percutaneous Endoscopic Approach

Short Description

Replacement of Facial Nrv with Synth Sub, Perc Endo 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.

Position	Designation	Value	Meaning
1	Section	0	Medical and Surgical
2	Body System	0	Central Nervous System and Cranial Nerves
3	Operation	R	Replacement
4	BodyPart	M	Facial Nerve
5	Approach	4	Percutaneous Endoscopic
6	Device	J	Synthetic Substitute
7	Qualifier	Z	No Qualifier

Similar Procedure Codes

Questions About 00RM4JZ

Is 00RM4JZ a billable code?

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

What do the characters in 00RM4JZ 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 4 is the Approach (Percutaneous Endoscopic); the 6th character J is the Device (Synthetic Substitute); the 7th character Z is the Qualifier (No Qualifier).