Roche Amplicor HIV-1 Monitor UltraSensitive assay censor codes

This section lists the Roche Amplicor Monitor UltraSensitive assay censor codes available in LDMS.

Code Description Validity Numeric Value
A QS wells below lower limit Invalid .1
B QS wells above upper limit Invalid .01
C User re-selected well for algorithm Valid .0001
D OD ratio failure - repeat Invalid/Invalid Run1 1,000,000,000
F Control out of range Invalid Run2 1,000,000
I No QS wells in range Invalid 100,000
J HIV wells below lower limit - no HIV RNA detected Valid3 1
K HIV wells above upper limit Invalid 10
L QS wells out of sequence Valid with C censor 100
L HIV wells out of sequence Valid with C censor .001
R Re-read Valid Run 100,000,000
U Undetectable sample above cutoff - repeat Valid4 .00001
X2 Invalid standards - slope negative Invalid Run 1,000
X3 Invalid/Out of sequence control Invalid Run 10,000,000
X4 Copies greater than upper limit of quantification - dilute and repeat Valid 10,000
1 If the run is repeated, the censor will be changed to C
2 If the F censor is used in conjunction with a D or X3 censor on the same control, it can be re-detected and corrected.
3 Specimen should be re-tested, if possible
4 Specimen should be re-tested, if possible