Blood Smear Evaluation Tutor

Case Description:

16 year old African American male from the hematology clinic.
The automated diff flagged for NRBCs.
CBC:
RBC: 3.05 X10^6/mm3 (4.50-5.90)
WBC: 20.3 X10^3/mm3 (4.5-11.0)
Hgb: 9.5 gm/dl (13.5-17.5)
Hct: 28.1 % (40.0-51.0)
MCV: 92.2 fl (80.0-100.0)
MCH: 31.2 pg (26.0-34.0)
MCHC: 33.8 gm/dl (31.0-37.0)
RDW: 18.6 % (11.5-14.5)

Platelet Count: 290 X10^3/mm3 (130-400)

Automated Diff (in percent):
Lymphocytes: 31
Neutrophils: 56
Monocytes: 11
Eosinophils: 1
Basophils: 1