In the ICD-10-CM coding system,a lowercase "x" is used:
A) as a placeholder character within a code.
B) to denote an obsolete code.
C) as a cross-reference guide.
D) to indicate the external causes of morbidity.

Question

Quizplus · Accepted Answer

In the ICD-10-CM coding system, a lowercase "x" is used as a placeholder character within a code. For example, when a code requires a seventh character extension, but the information is not available to code that seventh character, a lowercase "x" is used as a placeholder until more specific information is obtained.

In the ICD-10-CM Coding System,a Lowercase "X" Is Used