I50.21 Acute systolic (congestive) heart failure

The following code(s) above I50.21 may contain annotation back-references that may be applicable to I50.21:

• Diseases of the circulatory system (I00-I99)
• Systolic (congestive) heart failure (I50.2)

Diagnosis Index

Failure, Failed
- Note: Heart Failure Stages A, B, C, And D Are Based On The American College Of Cardiology And American Heart Association Stages Of Heart Failure, Which Complement And Should Not Be Confused With The New York Heart Association Classification Of Heart Failure, Into Class I, Class II, Class III, And Class IV
-- Systolic I50.20
--- Acute I50.21