You are here

Malignant Neoplasm of the Larynx B013

Last amended 
28 June 2015
Current RMA Instruments:
Reasonable Hypothesis SOP
61 of 2013
Balance of Probabilities SOP
62 of 2013
Changes from Previous Instruments:

SOP Bulletin 167

ICD Coding:
  • ICD-9-CM Codes: 161
  • ICD-10-AM Codes: C32

The larynx is the upper part of the wind pipe and it includes the vocal cords.

Is specific diagnostic evidence that is required to apply the SOP? - Yes.

This is a histological diagnosis based on biopsy or operative specimen.

The relevant medical specialist is an ENT surgeon, head and neck surgeon or oncologist.

Are there sub-factors that require specific diagnostic information? - No.
Additional diagnoses covered by this SOP
  • Malignant neoplasm of the glottis, supraglottis or subglottis
Conditions not covered by SOP
  • Carcinoid of the larynx
  • Hodgkin’s lymphoma of the larynx, ICD code 201.9
  • non-Hodgkin’s lymphoma of the larynx, ICD code 202.8
  • Secondary/metastatic cancer involving the larynx (code to primary cancer site)
  • soft tissue sarcoma of the larynx, ICD code 171.8
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. re-encode the condition, if appropriate.

The following investigations may be useful in establishing the diagnosis.

  • Histology / biopsy report