Blood Smear Evaluation Tutor

Case Description:

51 year old Caucasian female from the emergency room.
The automated differential flagged for high MCH.
CBC:
RBC: 3.65 X10^6/mm3 (4.00-5.20)
WBC: 5.1 X10^3/mm3 (4.5-11.0)
Hgb: 13.2 gm/dl (12.0-16.0)
Hct: 38.7 % (35.0-46.0)
MCV: 106.2 fl (80.0-100.0)
MCH: 36.2 pg (26.0-34.0)
MCHC: 34.1 gm/dl (31.0-37.0)
RDW: 14.8 % (11.5-14.5)

Platelet Count: 329 X10^3/mm3 (130-400)

Automated Diff (in percent):
Lymphocytes: 7
Neutrophils: 86
Monocytes: 6
Eosinophils: 1
Basophils: 0