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HelpTest Code 0353 Morphologic Examination, Blood
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Microscopic Examination
Literature Reference:
Hematology glossary 2003. Northfield, IL: College of American Pathologists.
Specimen Requirements
Forms: Clinical Hematology Laboratory Request for Examination of Peripheral Blood Morphology in Request Forms in Special Instructions.
Note: The request form can also be obtained from Barnes-Jewish Hospital Laboratory by calling Customer Service at 314-362-1470.
Hospital Patient:
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: Full tube
Collection Instructions: Immediately invert several times to mix blood.
Additional Information: The following information is required:
1. Physician name
2. Suspected clinical condition
3. Morphology to be reviewed
Non Hospital Patient:
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: Full tube
Collection Instructions: Immediately invert several times to mix blood.
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: not available
Routine: results available the day of testing
Test Classification and CPT Coding
85007
Reference Values
Normals are for white cells with 100 cells counted.
Red cells: normal (morphology)
Platelets: adequate (numbers)
Lymphocyte Absolute: 1.8-3.3 K/cumm
Neutrophil Absolute: 1.7-6.5 K/cumm
Monocyte Absolute: 0.2-0.8 K/cumm
Eosinophil Absolute: 0.0-0.5 K/cumm
Basophil Absolute: 0.0-0.1 K/cumm
Other cell types are identified if seen.
Physician alert value (automatic call-back): presence of blasts
(not previously reported)
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Analyte Stability:
<24 hours refrigerated
Laboratory Processing Instructions:
Test performed in BJH IOH Core Laboratory