ICD9-CM 2007 Edition

Diseases Procedures Drugs

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7  Diseases of the Circulatory System

420-429

Other Forms of Heart Disease

427

Cardiac dysrhythmias

427.81

Sinoatrial node dysfunction

			Sinus bradycardia:
			persistent
			severe
			Syndrome:
			sick sinus
			tachycardia-bradycardia
	Excludes:		sinus bradycardia NOS (427.89)