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Lab Test Dictionary

Reticulocyte, Hemoglobin Panel (0040263)


Flow Cytometry (CF)


Cellular Hemoglobin, Retic (CHr); Cellular Hb; Cellular hemoglobin concentration, reticulocyte; Immature Reticulocyte Fraction

Specimen Type

Whole Blood

Performing Lab


Epic ID

Other Reference Test

Lab Test Days


Standard TAT

1 Day

Collection Information

Specimen Required

0.5-3 mL Whole Blood

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=24 Hours; Refrigerated=48 Hours; Frozen=Unacceptable

Rejection Criteria

Frozen specimens; Clotted; Hemolyzed

Test Volume Required

3 mL Whole Blood

Minimum Test Volume

0.5 mL Whole Blood

Processing Instructions

Complete an ARUP requisition and submit with specimen refrigerated. Call Apollo Courier Service for pick-up Monday-Friday.

Included Tests

Reticulocyte Number, Cellular Hemoglobin, Retic (CHr), Reticulocyte Percent and Immature Reticulocyte Fraction.

CPT Codes