Identifications: Degrees/certifications

May 29, 2008: Issue 241

In general, use periods in academic degrees:
Ph.D.
M.D.
B.A.

The exception is MBA. Most reference books leave the periods out of that one, so we will, too.

In professional certifications, on the other hand, don’t use periods:
CDE
CKD

Sometimes this will result in mixed formats in a single byline:

Jane Johnson, Ph.D., CDE

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