In the M99 taxonomy, which code describes the head region?

In the M99 taxonomy, which code describes the head region?

• A. M99.00
• B. M99.01
• C. M99.02
• D. 98940

Answer: (A)

In this taxonomy, body regions are identified by a base code with decimal extensions that specify location. The head region is represented by the base M99.00, where .00 denotes the general head. The additional digits after the decimal (like .01 or .02) would point to more specific subregions or related categories, but for describing the head as a whole, M99.00 is the standard code. The number 98940 isn’t part of the M99 coding scheme; it’s a CPT code and doesn’t describe a head region in this taxonomy.

In this taxonomy, body regions are identified by a base code with decimal extensions that specify location. The head region is represented by the base M99.00, where .00 denotes the general head. The additional digits after the decimal (like .01 or .02) would point to more specific subregions or related categories, but for describing the head as a whole, M99.00 is the standard code. The number 98940 isn’t part of the M99 coding scheme; it’s a CPT code and doesn’t describe a head region in this taxonomy.