How Does One Appropriately Code for Cellulitis and Acute Lymphangitis

Multiple Choice

How does one appropriately code for cellulitis and acute lymphangitis?

A) coded by anatomical site, with a separate category to identify the infectious agent
B) coded by severity (depth) of infection, with a separate category to identify the anatomical site
C) coded by anatomical site
D) coded first by underlying organism with a separate category to identify the severity (depth) of infection