anchor.diff:  "5393-4","FTA (Fluorescent treponemal antibody)","Treponema pallidum Antibody","Ord","Treponema pallidum"
   "5395-9","Total Antibody","Trichinella spiralis Antibody","Qn","Trichinella spiralis"
   "539-7","Culture","Mycobacterium sp identified","Nom",
  -"5401-5","Total Antibody","Varicella zoster virus Antibody","Qn","VARICELLA ZOSTER VIRUS"
  -"5402-3","Total Antibody","Varicella zoster virus Antibody","Qn","VARICELLA ZOSTER VIRUS"
  -"5404-9","IgM Antibody","Varicella zoster virus Ab.IgM","Qn","VARICELLA ZOSTER VIRUS"
  +"5401-5","Total Antibody","Varicella zoster virus Antibody","Qn","Varicella-zoster virus"
  +"5402-3","Total Antibody","Varicella zoster virus Antibody","Qn","Varicella-zoster virus"
  +"5404-9","IgM Antibody","Varicella zoster virus Ab.IgM","Qn","Varicella-zoster virus"
   "5405-6","Total Antibody","Vibrio cholerae Antibody","Qn","Vibrio cholerae"
   "540-5","Culture","Mycobacterium sp identified","Nom",
  -"5406-4","Total Antibody","Western equine encephalitis virus Antibody","Qn","Western equine encephallomyelitis virus"
  +"5406-4","Total Antibody","Western equine encephalitis virus Antibody","Qn","Western equine encephalomyelitis virus"
   "5407-2","O3 Antibody","Yersinia enterocolitica O3 Antibody","Qn","Yersinia enterocolitica serogroup O:3"
   "5408-0","O8 Antibody","Yersinia enterocolitica O8 Antibody","Qn","Yersinia enterocolitica serogroup O:8"
   "5409-8","O9 Antibody","Yersinia enterocolitica O9 Antibody","Qn","Yersinia enterocolitica serogroup O:9"
   "5410-6","Total Antibody","Yersinia pseudotuberculosis Antibody","Qn","Yersinia pseudotuberculosis"
   "541-3","Culture","Mycobacterium sp identified","Nom",
  -"54146-6","IgG Antibody","Mycobacterium TB Antibody, IgG by ELISA","Qn","Mycobacterium tuberculosis"
  +"54146-6","IgG Antibody","Mycobacterium TB Antibody, IgG by ELISA","Qn","Mycobacterium tuberculosis complex"
   "542-1","Culture","Mycobacterium sp identified","Nom",
   "543-9","Culture","Mycobacterium sp identified","Nom",
   "547-0","Culture","Streptococcus.beta-hemolytic","Ord","Beta hemolytic streptococcus"
  
positive.code: "29609-5","PCR/amplification","Hepatitis C virus RNA","Qn","Hepatitis C"
  "29610-3","PCR/amplification","Hepatitis B virus DNA","Ord","Hepatitis B"
  "29615-2","PCR/amplification","Hepatitis B virus DNA","Qn","Hepatitis B"
  "29662-4","IgM Antibody","Varicella zoster virus Ab.IgM","Ord","VARICELLA ZOSTER VIRUS"
  "29778-8","IgM Antibody","West Nile virus Ab.IgM","Ord","West Nile Virus"
  "29783-8","Total Antibody","Saint Louis encephalitis virus Antibody","Qn","Saint Louis encephalitis virus"
  "29785-3","IgG Antibody","Eastern equine encephalitis virus Ab.IgG","Ord","Eastern equine encephalitis virus"
  
negative.code: "28-1","Ampicillin susceptibility","Ampicillin","OrdQn",
  "287-3","Isoniazid susceptibility","Isoniazid","OrdQn",
  "291-5","Kanamycin susceptibility","Kanamycin","OrdQn",
  "29248-2","PCR/amplification","Varicella zoster virus DNA","Ord","Varicella-zoster virus"
  "29258-1","Linezolid susceptibility","Linezolid","OrdQn",
  "29310-0","FTA (Fluorescent treponemal antibody)","Treponema pallidum","Ord","Treponema pallidum"
  "29535-2","IgG Antibody","West Nile virus Ab.IgG","Qn","West Nile Virus"
  