Nucleated Red Blood Cells (Nrbc) - Siemens ADVIA 2120 Operator's Manual

Possible Causes
The following list of sample-related causes may not contain all conditions that
could cause this flag.
Multiple occurrences of this flag, especially for consecutive samples, can indicate
a system problem. However, isolated instances of this flag are usually sample
related.
Sample Related
•
Myeloperoxidase
deficiency

Nucleated Red Blood Cells (NRBC)

Definition
The detection of nucleated red blood cells, or the occurrence of either the Suspect
Cellular Interference (NRCELL) flag or the Suspect Large Platelets (NRLPLT)
flag will trigger the NRBC Morphology flag.
There is no severity level associated with this flag.
Possible Causes
The following list of sample-related causes may not contain all conditions that
could cause this flag.
Multiple occurrences of this flag, especially for consecutive samples, can indicate
a system problem. However, isolated instances of this flag are usually sample
related.
Sample Related
•
Neonatal samples·
•
Hemoglobinopathies·
•
Hemolytic anemia·
•
Myelodysplastic
syndromes
6-16
System Related
1. Troubleshoot the perox channel.
2. Check the perox reagents.
3. Check peroxidase hydraulics.
4. Check the perox reaction chamber
temperature.
System Related
1. Check perox reagents.
2. Check the perox reaction chamber
temperature.
3. Check peroxidase hydraulics and sample
delivery.
4. Check perox gains.
Flags