HARRIS COUNTY755-5743 or e-mail:deborah_lasker@co.harris.tx.us . You must sign below in INK; failure to sign Training Page 58. Code Service Categories 1.0 O/A Primary Health Care 1.1 Physician visit 1.2 Nursing visit 1.3 Phlebotomy visit 1.4 Pt. medication education 1.5 ……