Processes and Software Building 32: HIV-1/HIV-2 Donor Screening

As I designed this in Medinfo, this is algorithm uses an HIV- /HIV-2 antibody EIA screening test, HIV p24 antigen test, and a confirmatory linear immunoblot assay LIA that can discriminate between type HIV-1 and type HIV-2.  If there is an indeterminate result, a repeat test is ordered after 8 weeks.  A reentry protocol is also included (1.6.3 below).

  1. HIV Testing:
    1. HIV-RNA positive confirmed, regardless of other HIV results:  permanent deferral and do HIV-InnoLIA, refer to Infectious Disease clinic
    2. HIV-RNA borderline:  do HIV-InnoLIA
    3. HIV-InnoLIA positive, regardless of other HIV results:  permanent deferral and refer to Infectious Disease clinic
    4. HIV-InnoLIA indeterminate:  repeat all HIV testing after 8 weeks
    5. HIV Ab positive with negative HIV-RNA and/or borderline/negative HIV-InnoLIA:  repeat testing after 8 weeks
    6. Repeat HIV Testing After 8 Weeks:
      1. HIV RNA positive and/or HIV-InnoLIA positive, regardless of other HIV results:  refer to Infectious Disease clinic
      2. HIV-InnoLIA and/or HIV antibodies indeterminate:  permanent deferral, HIV infection not confirmed
      3. HIV Ab negative and HIV-RNA negative and HIV-InnoLIA negative:  reenter into donor pool

This algorithm is represented in Medinfo as follows:

To Be Continued:

17/8/20