Blood Smear, Path Morphologic Exam
Label Mnemonic: BSM
Epic code: LAB1015
Order form: Laboratory Requisition
(Wright Stain)
Collection Medium:
Lavender top tube 3 mL (EDTA)
Any size lavender top, full draw or fingerstick. (May also be added to
a 'Blood Cell Profile' request).
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
24 hours (upon receipt in laboratory)
Blood smears are routinely examined by technologists according to the criteria listed under 'CBC (Complete Blood Count), Blood'.  However, this service is a direct examination by a pathologist in response to a specific inquiry.  The specific reason for the examination must be noted on the requisition.  Examination can be requested on either a current CBC or in review of a smear, if available.  The pathologist's narrative interpretation is reported by computer.  Blood smears reviewed will be held in a permanent file for future reference.

A CBC is necessary to order this pathology slide review.
Wright Stain.
If not with in next-day delivery service, make 2 blood smear slides and submit at room temperature. State reason for pathology review on requisition.
Sample Processing:
Submit whole blood in original container.
Do Not Centrifuge.
Sample Storage:
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal bag.
Place requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
CPT Code:
See also:
CBC (Complete Blood Count), Blood