ASA Physical Status Classification System

Aka: ASA Physical Status Classification System, ASA Physical Status, American Society Anesthesiology Physical Status

II. Scoring: ASA 1 - Healthy patient

  1. No Tobacco use
  2. Minimal Alcohol use

III. Scoring: ASA 2 - Mild systemic disease

  1. Current Tobacco use
  2. Frequent social Alcohol use
  3. Pregnancy
  4. Obesity (BMI 30-40)
  5. Well controlled Diabetes Mellitus
  6. Mild lung disease

IV. Scoring: ASA 3 - Moderate to severe systemic disease with significant functional limitations

  1. Poorly controlled Diabetes Mellitus
  2. Poorly controlled Hypertension
  3. Moderate to severe COPD
  4. Morbid Obesity (BMI>40)
  5. Active hepatitis
  6. Alcohol Dependence or abuse
  7. Heart Failure with moderately reduced ejection fraction
  8. ESRD requiring regularly scheduled Dialysis
  9. History of coronary disease (MI, stents, bypass) with last event more than 3 months ago
  10. History of Cerebrovascular Disease (e.g. CVA, TIA) with last event more than 3 months ago

V. Scoring: ASA 4 - Severe systemic, life-threatening disease

  1. History of coronary disease (MI, stents, bypass) with last event LESS THAN 3 months ago, or ongoing cardiac ischemia
  2. History of Cerebrovascular Disease (e.g. CVA, TIA) with last event LESS THAN 3 months ago
  3. Severe valvular dysfunction or severe reduction in ejection fraction
  4. Sepsis or DIC
  5. Acute or Chronic Renal Failure not on regular Dialysis

VI. Scoring: ASA 5 - Moribund patient without expected survival through surgery

  1. Ruptured aortic aneurysm
  2. Massive Trauma
  3. Intracranial Bleeding with mass effect
  4. Ischemic bowel with multiple, serious underlying comorbidities

VII. Scoring: ASA 6 - Brain Death

  1. Organ removal for donation

VIII. Resources

  1. American Society of Anesthesiologists (ASA)
    1. http://www.asahq.org/resources/clinical-information/asa-physical-status-classification-system

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Related Studies

Ontology: American Society of Anesthesiologists physical status classification (C0450990)

Concepts Intellectual Product (T170)
SnomedCT 273270000
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Spanish clasificación del estado físico según la Sociedad Estadounidense de Anestesiólogos (escala de evaluación), clasificación del estado físico según la Sociedad Estadounidense de Anestesiólogos
Derived from the NIH UMLS (Unified Medical Language System)

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