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200
LDMS Code Abbreviations
Code Description
Validity
Numeric Value
J
Undetectable
Valid
1
X4
Results greater than upper limit of Valid
quantification
10000
I
QS Invalid
Invalid
100000
F
Invalid Control
Invalid
1000000
H
No Result
Invalid
10000000
Table 12.3. COBAS TaqMan HIV-1 Qual assay censor codes
Code Description
Validity
Numeric Value
A
0 control not negative
Invalid
1
B
10 control not positive
Invalid
10
C
20 control not positive
Invalid
100
E
Blinded pellet fails validation
Invalid
10000
F
Assay locked
Na
100000
H
No result
Invalid
10000000000
K
Invalid control
Invalid
1000000
L
Low positive control out of range or Invalid
invalid
1E+14
N
Negative control out of range or in- Invalid
valid
10000000
O
Run based validity override
1E+12
P
Insufficient blinded pellets assigned Invalid
to rack
1000000000
Q
Insufficient VQA controls assigned to Invalid
rack
1E+13
R
Re-read
Valid
100000000
S
5 control invalid
Invalid
1E+11
Valid
Table 12.4. HIV DNA PCR (Roche Amplicor Detect)
Code Description
Validity
Numeric Value
A
0 control not negative
Invalid
1
B
10 control not positive
Invalid
10
C
20 control not positive
Invalid
100
D
20 control OD < 2.000
Invalid
1,000
E
Blind pellet invalid
Invalid
10,000
F
Previous runs invalid - assay locked
Descriptive only
100,000
G
Converted from RLMP - Contamina- Invalid
tion
0.010000
H
Converted from RLMP - Clotted
1 × 10
L
Converted from RLMP - Missing well Invalid
Invalid
10
0.100000