Home > 2006 ICD-9-CM Diagnosis Codes > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Heart failure 428-
Specific code 2006 ICD-9-CM Diagnosis Code 428.21
Acute systolic heart failure
  • Short description: AC SYSTOLIC HRT FAILURE.
  • ICD-9-CM 428.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 428.21 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 428.21.
  • More recent version(s) of ICD-9-CM 428.21: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 428.21 converts approximately to:
  • 2015/16 ICD-10-CM I50.21 Acute systolic (congestive) heart failure
Approximate Synonyms
  • Systolic heart failure, acute
ICD-9-CM Volume 2 Index entries containing back-references to 428.21:
  • Failure, failed
    • heart (acute) (sudden) 428.9
      • with
        • abortion - see Abortion, by type, with specified complication NEC
        • acute pulmonary edema (see also Failure, ventricular, left) 428.1
          • with congestion (see also Failure, heart) 428.0
        • decompensation (see also Failure, heart) 428.0
        • dilation - see Disease, heart
        • ectopic pregnancy (see also categories 633.0-633.9) 639.8
        • molar pregnancy (see also categories 630-632) 639.8
      • arteriosclerotic 440.9
      • combined left-right sided 428.0
      • combined systolic and diastolic 428.40
      • compensated (see also Failure, heart) 428.0
      • complicating
        • abortion - see Abortion, by type, with specified complication NEC
        • delivery (cesarean) (instrumental) 669.4
        • ectopic pregnancy (see also categories 633.0-633.9) 639.8
        • molar pregnancy (see also categories 630-632) 639.8
        • obstetric anesthesia or sedation 668.1
        • surgery 997.1
      • congestive (compensated) (decompensated) (see also Failure, heart) 428.0
        • with rheumatic fever (conditions classifiable to 390)
        • fetus or newborn 779.89
        • hypertensive (see also Hypertension, heart) 402.91
        • rheumatic (chronic) (inactive) (with chorea) 398.91
          • active or acute 391.8
            • with chorea (Sydenham's) 392.0
      • decompensated (see also Failure, heart) 428.0
      • degenerative (see also Degeneration, myocardial) 429.1
      • diastolic 428.30
      • due to presence of (cardiac) prosthesis 429.4
      • fetus or newborn 779.89
      • following
      • high output NEC 428.9
      • hypertensive (see also Hypertension, heart) 402.91
      • left (ventricular) (see also Failure, ventricular, left) 428.1
        • with right-sided failure (see also Failure, heart) 428.0
      • low output (syndrome) NEC 428.9
      • organic - see Disease, heart
      • postoperative (immediate) 997.1
        • long term effect of cardiac surgery 429.4
      • rheumatic (chronic) (congestive) (inactive) 398.91
      • right (secondary to left heart failure, conditions classifiable to 428.1) (ventricular) (see also Failure, heart ) 428.0
      • senile 797
      • specified during or due to a procedure 997.1
        • long-term effect of cardiac surgery 429.4
      • systolic 428.20
      • thyrotoxic (see also Thyrotoxicosis) 242.9 [425.7]
      • valvular - see Endocarditis
 428.20 ICD9Data.com 428.22 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 428.21 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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