Yale New Haven Hospital

Department of Laboratory Medicine
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Differential manual

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB2892

 

Methodology: 

Microscopy of Wright-Giemsa and Cell imaging

Schedule: 

Sun-Sat

Reported: 

1 hour for STAT orders; 2 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 mL Blood in a Lavender Top Tube.
Pediatric volume: 0.5 mL.
Unacceptable conditions: Clotted, QNS, spun or frozen specimens; only acceptable anticoagulant is EDTA (lavender top).

 

Notes: 

Reflex Criteria: If lab specific criteria are met, will reflex to either a scan or manual differential.

Physicians requesting a manual differential on a specimen that does not meet manual differential criteria must discuss with the Hematology Laboratory Resident for approval.

CPT Code(s): 

85025

Last Changed: 

10/18/2016 13:55:50

                                       Last Reviewed: 8/21/2017 12:03 PM