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ICD 10 Code 00BN0ZZ

Excision of Acoustic Nerve, Open Approach

00BN0ZZ is a valid billable ICD-10 procedure code for Excision of Acoustic Nerve, Open Approach. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Excision involves:
Cutting out or off, without replacement, a portion of a body part. The qualifier DIAGNOSTIC is used to identify excision procedures that are biopsies

Open approach involves:
Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

Excision includes:

  • Partial nephrectomy, liver biopsy

Acoustic Nerve body part includes:

  • Cochlear nerve
  • Eighth cranial nerve
  • Scarpa's (vestibular) ganglion
  • Spiral ganglion
  • Vestibular (Scarpa's) ganglion
  • Vestibular nerve
  • Vestibulocochlear nerve
MS-DRG - Medicare Severity-Diagnosis Related Group
  • MDC 01 Diseases & Disorders of the Nervous System
    Craniotomy with Major Device Implant or Acute Complex CNS PDX
    • DRG 023 - CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PDX WITH MCC OR CHEMOTHERAPY IMPLANT OR EPILEPSY WITH NEUROSTIMULATOR
    • DRG 024 - CRANIOTOMY WITH MAJOR DEVICE IMPLANT OR ACUTE COMPLEX CNS PDX WITHOUT MCC
  • MDC 01 Diseases & Disorders of the Nervous System
    Craniotomy and Endovascular Intracranial Procedures
    • DRG 025 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH MCC
    • DRG 026 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITH CC
    • DRG 027 - CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITHOUT CC/MCC

ICD-10-PCS code structure for 00BN0ZZ — See Table View

1: Section 0 Medical and Surgical
2: Body System 0 Central Nervous System and Cranial Nerves
3: Root Operation B Excision
4: Body Part N Acoustic Nerve
5: Approach 0 Open
6: Device Z No Device
7: Qualifier Z No Qualifier

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.