Read these press releases for real information. Press release 22 explains the Uniform Crime Code listed on the police report is for internal processing only to qualify an incident for stat purposes and tracking types of incidents and that Zimmerman was not formally charged. (They are correcting media reports here.)
http://www.sanfordfl.gov/index.html
The media reported that Investigator Serio filed an affidavit requesting the charges.
If so, then the charges aren’t just part of the UCC reporting on that initial form.