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Test Code Reticulocyte RETICULOCYTE COUNT

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

Adults

1.0 mL

Pediatric

300 uL

Container

Purple/Lavender EDTA

Preferred Specimen

Whole Blood

Acceptable Specimen(s)

EDTA Whole blood Purple/Lavender

Reference or Target Ranges

0-8 days:

2.40-5.50%

8 days-Adult:

0.54-1.94%

Reportable Units

Retic %

Reasons for Rejection

Other:                

Short draws, Over draws, Clotted, Improperly labeled

Specimen Stability

Ambient

Up to 24 Hours

Refrigerated         

24 Hours

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Stat: 1 Hour, Routine: 4 Hours

Stat Availability

Yes

Performing Bench

CRMC Hematology

Methodology/Method Description

Sysmex

Methodology/Method Description

Sysmex – Retics are evaluated using flow cytometry with a semiconductor laser exploiting the differences in cell size, complexity and RNA/DNA content

CPT Codes

29096