Differential

Alphabetical Test listing

Differential-431

Test name:

Differential

Test number:

431

Excellian order number:

85004.0

Abbreviation:

DIF

Specimen type:

EDTA whole blood + air dried smears

Collection container:

Lavender (EDTA), 4mL

Volume:

4.0 mL EDTA whole blood + 2 - 3 smears

Minimum volume:

3.0 mL whole blood + 2 - 3 smears

Collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Processing instructions:

Do not spin
Make 2-3 smears, and air dry

Transport container:

Slide holder and

Lavender (EDTA), 4mL

Required forms/information:

Send WBC result with specimen or order test 514/WBC (CPT 85048) at additional charge.
- If CBC is needed please order test 400.

Transport and stability:

Refrigerated (preferred) - 48 hrs

Ambient (acceptable) - 24 hrs

Reason for rejection:

Improper label (unlabeled or mislabeled)
Clotted specimen
Improper anticoagulant or ratio
Hemolysis
Delay in transport
Improper storage/transport temperature
Slides broken beyond repair

Performing lab:

AHL - Hematology: H

Days set up:

Daily

TAT:

Routine - 1 day

Method:

Sysmex/manual

Reference ranges:

See report

CPT codes:

85004

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

11/30/2001

Revised date:

07/13/2018

Review date:

10/27/2021