count from

count from (something)

To start counting from a particular number. You start counting from zero while I hide, and then when you get to 100, you come find me—that's how the game works.
See also: count
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

count from something (up)

to something to say or list the numbers from one number to some other number. Now, count from 100 up to 300 by threes. Timmy can count from 1 to 40.
See also: count
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The answer to all of these questions was and largely remains, "We don't really know." To know if the boost in CD4 T cell count from IL-2 therapy actually prolongs life requires a very large and long clinical endpoint study, in which one group gets IL-2 and another group does not and researchers see who lives longer.