Galen eCalcs - Calculator: Smoking Pack Years Calculator

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The Smoking Pack Years Calculator provides a Pack Years calculation for the patient based on at least one smoking type inputs (e.g., cigarettes, cigars, cigarillos). For each type, both a valid whole number value for years the patient smoked and the amount/unit smoked per day must be supplied in order to generate a calculation.

Calculator Search/Filter Keywords

At the calculator level, eCalcs comes delivered with default keywords that can be leveraged in the "Search/Filter" field to enable Specialty or System driven calculator searching.


  • Cardiology
  • Critical Care
  • Family Medicine
  • Internal Medicine
  • Pulmonology


  • Cardiovascular
  • Respiratory

Calculator Configuration Options

Preference Name Valid Range Description
Publishing Checked / Unchecked When checked the calculator will display for users on the front end.
When unchecked, the calculator WILL NOT display for users on the front end.
Orderable Item Override (BLANK) / G-SPY “(BLANK)” indicates that the global configuration options for Orderable Item will be used.
“G-SPY” indicates that the calculator specific value will be used and can display the specific calculator name in the output.

Calculator Inputs

This calculator does not use any default mappings, all items require manual input.

Calculator Outputs

Output Mapping Type Description
Pack Years Result The smoking pack years value for the patient