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Aortic Aneurysm G039

Last amended 
24 June 2015
Current RMA Instruments:
Reasonable Hypothesis SOP
9 of 2012
Balance of Probabilities SOP
10 of 2012
Changes from Previous Instruments:

SOP Bulletin 156

ICD Coding:
  • ICD-9-CM Codes: 441.1 – 441.9
  • ICD-10-AM Codes: I71.1 – I71.6, I71.8, I71.9
Is specific diagnostic evidence required to apply the SOP? – No.
Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Ruptured aortic aneurysm
Conditions not covered by SOP
  • Dissection of the aorta, ICD code 441.0 (see comments below)
  • False (pseudo) aneurysm of the aorta, ICD code 901.0, 902,0, 440.0 (see comments below)
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 scan, MRI, Ultrasound or X-ray of abdomen
  • True aortic aneurysm – involves bulging of all three layers of the aortic wall.
  • Dissecting aortic aneurysm – involves separation of the layers of the aortic wall,allowing blood to leak between the layers.
  • Pseudo or false aortic aneurysm - blood leaks out of the aorta but is confined next to the vessel by surrounding tissue.  Due to trauma, atherosclerosis or infection.