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Blood Smear Review

Laboratory - : Hematology

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Purple top ( EDTA ) tube: Whole Blood
Collection Volume:
0.3 mL and 2 fresh peripheral smears
Cause for Rejection:
Specimens which are hemolyzed, clotted, diluted with IV fluid, or collected in heparin.
Daily, 24 hours
Microscopic evaluation of Wright's stained blood film
Special Instructions:
A differential from whole blood cannot be done on a specimen held more than 4 hours at room temperature or more than 8 hours refrigerated. On microsamples, the specimen cannot be used when it is more than 4 hours old if previous slides were not made.
4 hours
Additional Info:
Reference range is available on patient report
CPT Code:

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