Final answer:
The abbreviation NEC, standing for 'Not Elsewhere Classifiable,' is used in medical coding to direct the coder to an unspecified code when the condition does not fit elsewhere.
Step-by-step explanation:
The abbreviation that directs a coder to the other specified code in the Tabular List, which usually indicates the number 8 as the character, is A) NEC, which stands for "Not Elsewhere Classifiable". This abbreviation is used in medical coding, such as in the International Classification of Diseases (ICD), to indicate that a specific condition is not listed under any other category within the classification but can be found under a more general category that includes the unlisted condition.