Hi all:
I don't know if you ever got a reply to this and I don't know Michigan's current process but historically unmatched CD4 results were  rematched to eHARS weekly for 12 months and then archived.
Eve
Eve Mokotoff, MPH
Managing Director – HIV Counts
Ann Arbor, MI
P: 313.407.7761
E: evemokotoff@hivcounts.org
W: hivcounts.org