In general, when abbreviating units of measure in the metric system, the provider should:

a. Use lower case letters unless it starts a sentence
b. Always capitalize the first letter when writing metric abbreviations
c. Capitalize both letters only when using abbreviations
d. As a rule, you should never abbreviate in order to avoid confusion in a medication order or conversion

a
Rationale: a. Correct"
b. Generally, the metric symbols or the abbreviations are written in lowercase letters
c. Generally, the metric symbols or the abbreviations are written in lowercase letters
d. common, accepted abbreviations are used when documenting medical information