tall-man letters

tall-man let·ters

(tawl'man let'ĕrz)

The use of writing in which medications with similar names (e.g., cephalosporins) have different distinguishing letters in capitals to prevent medication errors. Examples: cefaCLOR, cefADROxil, cefALEXin.
Synonym(s): tall letter writing.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012