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All ICD-10-CM codes have a first letter. a) For most of the first letters (D-N), the letter means that the items have so

Posted: Thu Mar 31, 2022 8:03 am
by answerhappygod
All ICD-10-CM codes have a first letter.
a) For most of the first letters (D-N), the letter means that
the items have something in common. What is it?

b) Other codes (A-C, O – Z) are set up so that the items also
have something in common, but in a different way than D-N.
Give an example
of one categorizing principle
used for one of these. You don’t need to say what
the letter is.