Types of Control Programs
Internal Quality Control:
The lab develops it’s own Q.C. program
External Quality Control:
 
C.V. should be <5%
The lab participates in an outside Q.C. program such as State, CAP, or other provider.
S.D.I = (0 of own lab - 0 of all labs)
S.D. of all labs
S.D.I must be <1