The subscriber’s version will show the meaning of 70 symbols and numbers.
This website, medabbrev.com, as of 08/31/2015, contains 45,470 entries.
It is based on the book Medical Abbreviations: 32,000 Conveniences at the Expense of Communication
and Safety, authored by Neil M. Davis, 15th Edition, ISBN 978-0-931431-15-9, (2011).
Since 2011, 13,536 new entries have been added.