Additional Information

When blood smear meets any of the following criteria, it will be sent to pathology for review:

RED BLOOD CELLS

1. Hemoglobin level <10 g/dL or >16 g/dL
2. Any significant RBC morphology defined as:

• RBC inclusions
• Few – Schistocytes, spherocytes, sickle cells
• Moderate or Marked – on all other RBC morphology

LEUKOCYTES

1. Absolute lymphocyte count in adults >5.0
2. Absolute monocyte count in adults >1.6
3. Absolute eosinophil count >1.5
4. Absolute basophil count >0.4
5. Absolute neutrophil count (segs & bands) >15,000/uL or
   <1,800/uL
6. Left shift in neutrophil series (myelocytes or younger)
7. Presence of blasts, atypical/immature cells, plasma cells or
   unidentified cells

PLATELETS – counts <100,000/uL or >450,000/uL

PRESENCE OF ORGANISMS – Malaria, Babesia, etc.