Manual Differential
Order Name
DF
Test Number: 0101510
Revision Date 10/25/2023
Test Number: 0101510
Revision Date 10/25/2023
Test Name | Methodology | LOINC Code |
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Manual Differential
|
Microscopy |
SPECIMEN REQUIREMENTS | ||||
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Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
Preferred | 5 mL (1 mL) | Whole Blood | EDTA (Lavender Top) | Refrigerated |
Alternate 1 | 1 mL (0.5 mL) | Whole Blood | EDTA (Lavender) Microtainer/Bullet | Refrigerated |
Alternate 2 | 2 Slides (1 Slide) | Peripheral Blood | Clipped Corner Glass Slides with Holder | Room Temperature |
Instructions | For best results For best results: Send a fresh, unstained blood smear on slides with clipped corners. Note: We cannot guarantee testing will be performed on straight edge slides. |
GENERAL INFORMATION | |
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Testing Schedule | Daily |
Expected TAT | 1 Day |
Clinical Use | The white blood cell count is useful in the diagnosis and management of infection, inflammatory disorders, hematopoietic maligancies, evaluation of myelopoietic disorders, drug effects, and response to various cytotoxic agents. The differential count is performed to acquirefurther information concerning the above states and enables one to arrive at values for the bsolute value of discreet WBC population. Absolute values for individual cell populations are obtained froma combination of the WBC count and the % of each cell type from the differential. |
Notes | Microscopic examination includes enumeration of white blood cell populations and cellular morphology. |
CPT Code(s) | 85007 |
Lab Section | Hematology |