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Heart Block G036

Document
Last amended 
24 June 2015

In this section

Current RMA Instruments:
Reasonable Hypothesis
1 of 2014
Balance of Probabilities
2 of 2014
Changes from Previous Instruments:

SOP Bulletin 171

ICD Coding:
  • ICD-9-CM Codes: 426.0-426.5,426.9
  • ICD-10-AM Codes: I44, I45.0, I45.1, I45.2, I45.3, I45.4, I45.9

This is a cardiac condition where disease or injury has interfered with (delayed) the conduction of electrical impulses along the normal electric conduction pathway through the heart being the atrioventricular node, bundle of His, the left and right bundle branches and the anterior and posterior fascicles.

Is specific diagnostic evidence required to apply the SOP?No.

However, this is a complicated diagnosis usually requiring a cardiologist opinion with recourse to electrocardiography.

Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Right bundle branch block
  • Left bundle branch block
  • Bifascicular block
  • Trifascicular block
  • First degree heart block; second degree heart block; third degree heart block
  • Mobitz block; Wenckebach’s block.
  • Atrioventricular block
Conditions excluded from SOP
  • Atrial fibrillation; atrial flutter, ICD codes 427.31,2.
  • Atrioventricular dissociation, ICD code 426.7
  • Cardiomyopathy, ICD codes 425.4-425.9
  • Ischaemic heart disease
  • Pre-excitation syndrome, ICD code 426.7
  • Sick sinus syndrome, ICD code 427.81
  • Sinoatrial block, ICD code 426.6
  • Wolff-Parkinson-White syndrome, ICD code 426.7
Unconfirmed diagnosis

If, after applying the above information, you are unable to confirm the diagnosis, you should then seek medical officer advice about further investigation.