ASA Calculator

A simple chairside calculator.

Vitals & Demographics

Age ≥ 60 defaults to ASA II
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Functional Capacity

Evaluate the patient's ability to walk up 1 flight of stairs or 2 level city blocks.

Mild Systemic Disease & Lifestyle

Conditions without substantive functional limitations. (ASA II)

Severe Systemic Disease (Chronic)

Moderate to severe diseases with functional limitations, but not incapacitating. (ASA III)

Incapacitating / Constant Threat to Life

Severe systemic disease causing symptoms at rest. (ASA IV)

Critical & End-of-Life

Moribund or organ donor patients. (ASA V - VI)

Calculated Status

ASA 1

Dental Protocol Overview

None. Routine dental treatment OK.

Definition

A normal healthy patient.

Contributing Factors

Normal, healthy patient.

Disclaimer: This tool is designed for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. The final determination of a patient's ASA physical status and subsequent dental management protocols must rely on the independent clinical judgment of the treating provider.

© 2026 Kerry Zhu