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Acoustic Neuroma B057

Last amended 
28 June 2015
Current RMA Instruments:
Reasonable Hypothesis29 of 2011
Balance of Probabilities30 of 2011
Changes from Previous Instruments:

SOP Bulletin 150

ICD Coding:
  • ICD-9-CM Codes: 225.1
  • CD-10-AM Codes: D33.3

Acoustic neuroma is a benign tumour affecting the nerve to the ear.

Is specific diagnostic evidence required to apply the SOP?No.
Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Vestibular schwannoma
Conditions not covered by SOP
  • Acoustic neuroma associated with neurofibromatosis, ICD code 237.72
Unconfirmed diagnosis

If, after applying the above information, you are unable to confirm the diagnosis, you should then:

  1. seek medical officer advice about further investigation, or;
  2. generate a diagnostic report, or;
  3. re-encode the condition, if appropriate.

The following investigations may be useful in establishing the diagnosis.

  • Report from treating doctor
  • Report of CT or MRI scan of the head
  • Report of brainstem auditory evoked response test