11 - Diseases of the circulatory system

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

This refers to diseases of the organ system that passes nutrients (such as amino acids, electrolytes and lymph), gases, hormones, blood cells, etc. to and from cells in the body to help fight diseases, stabilize body temperature and pH, and to maintain homeostasis.

exclusions

• Certain conditions originating in the perinatal period  (Chapter 19)
• Certain infectious or parasitic diseases  (Chapter 01)
• Complications of pregnancy, childbirth and the puerperium  (Chapter 18)
• Congenital malformations, deformations and chromosomal abnormalities  (Chapter 20)
• Endocrine, nutritional or metabolic diseases  (Chapter 05)
• Injury, poisoning or certain other consequences of external causes  (Chapter 22)

code elsewhere

• Symptoms, signs or clinical findings of the circulatory system  (MC80-MC9Y)
• Cerebrovascular diseases  (8B00-8B2Z)
• Functional vascular disorders of the skin  (EG00-EG02)
• Diseases of the circulatory system complicating pregnancy, childbirth or the puerperium  (JB64.4)

sections/codes in this chapter

• Infections of the circulatory system
• Developmental anomalies of the circulatory system
• Neoplasms of the circulatory system
• Hypertensive diseases  (BA00-BA04.Z)
• Hypotension  (BA20-BA2Z)
• Ischaemic heart diseases  (BA40-BA6Z)
• Diseases of coronary artery  (BA81-BA8Z)
• Pulmonary heart disease or diseases of pulmonary circulation  (BB00-BB0Z)
• Pericarditis  (BB20-BB2Z)
• Acute or subacute endocarditis  (BB40-BB4Z)
• Heart valve diseases  (BB60-BC0Z)
• Chronic rheumatic heart diseases, not elsewhere classified  (BC20)
• Diseases of the myocardium or cardiac chambers  (BC40-BC4Z)
• Cardiac arrhythmia  (BC60-BC9Z)
• Heart failure  (BD10-BD1Z)
• Diseases of arteries or arterioles  (BD30-BD5Z)
• Diseases of veins  (BD70-BD7Z)
• Disorders of lymphatic vessels or lymph nodes  (BD90-BD9Z)
• Postprocedural disorders of circulatory system  (BE10-BE1F.1)
• Embolism, so stated  (BE20)
• Thromboembolism, so stated  (BE21)
• Other specified diseases of the circulatory system  (BE2Y)
• Diseases of the circulatory system, unspecified  (BE2Z)

Thank you for choosing Find-A-Code, please Sign In to remove ads.

Aimee- AI -powered coding assistant - Try it now for Free Would you like Aimee - AI
to help you with this?