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Aortic Stenosis G004

Last amended 
6 April 2016
Current RMA Instruments:
Reasonable Hypothesis
21 of 2013
Balance of Probabilities
22 of 2013
Changes from Previous Instruments:

SOP Bulletin 165

ICD Coding:
  • ICD-9-CM Codes: 424.1
  • ICD-10-AM Codes: I35.0, I35.2
Is specific diagnostic evidence required to apply the SOP?No. 

But note that aortic stenosis due to rheumatic fever is covered by the SOP for rheumatic heart disease (use ICD code 395.0).

Are there sub-factors that require specific information? – No. 
Additional diagnoses covered by SOP
  • Nil
Conditions not covered by SOP
  • Aortic incompetence, ICD code 424.99
  • Aortic regurgitation, ICD code 424.99
  • Aortic sclerosis, ICD code 424.99
  • Aortic stenosis due to rheumatic fever, ICD code 395.0
  • Aortic valve calcification without valve obstruction, ICD code 424.99
  • Hypertrophic subaortic stenosis, ICD code 425.1
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 of echocardiogram
  • Report from cardiologist