Differential diagnosis of insulin-dependent diabetes from noninsulin-dependent diabetes
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold serum separator (SST) tube
Refrigerated (preferred) - 14 days
Ambient - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x3
Indirect fluorescent antibody (IFA)
Negative: < 1:1