Abbott CELL-DYN 3000 Operator's Manual page 105

Principles of Operation
3-32
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Action: Review a stained smear and follow your laboratory's review
criteria. When bands are present, they are included in the total
neutrophil count.
IG (Immature Granulocyte) — displayed next to the NEU result
The count in the region of scatter (on the 0 ° /10 ° plot) where
Cause:
immature granulocytes are typically located is >3% of the total
WBC count.
Action: Review a stained smear and follow your laboratory's review
criteria. When IGs are present, they are included in the total
neutrophil count.
BLAST — displayed next to the LYM result
Cause:
1. The count in the region of scatter (on the 90 ° /0 ° plot) where blasts
are typically located is >1% of the total WBC count.
2. The MONO % is >20% of the total WBC count.
3. The MONO % is >3% of the total WBC count, and the standard
deviation of the monocytes on the 0 ° axis exceeds expected criteria.
Action: Review a stained smear and follow your laboratory's review
criteria. When blasts are present, they are included in the
monocyte count.
VAR LYM — displayed next to the LYM result
Cause: The distribution of the lymphocyte cluster on the size/
complexity (0 ° /10 ° ) scatterplot exceeds expected criteria.
Action: Review a stained smear and follow your laboratory's review
criteria. When variant lymphocytes are present, they are
included in the lymphocyte count.
NOTE: This flag may be displayed singly or in combination
with the blast flag. If the flag is displayed with the blast flag, it is
displayed as VLYM/BLAST.
NRBC — displayed next to the MONO result
Cause: The count in a predefined region below the lymphocyte cluster
on the size/complexity (0 ° /10 ° ) scatterplot is >2.9% of the total
WBC count.
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CELL-DYN® 3000 System Operator's Manual
9140240E — May 1995
Chapter 3