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Test Code LAB296 Reticulocyte Count and Immature Reticulocyte Fraction (IRF)

Department

HEMATOLOGY

Collection Requirements

Mix lavender tube thoroughly, immediately after collection.

Primary Collection Container

Lavender 4 mL (K3EDTA)

Alternate Collection Container

Lavender Microtainer

Transport

Whole Blood ambient

Preferred Transport Temperature

Ambient

Processing

Mix well prior to testing.

Stability

Ambient: 24 hours

Refrigerated: 36 hours, if refrigerated within 1 hour of collection.

Minimum Testing Volume

0.4 mL

Reference Range

Adult: 0.5 – 2.7 %

0-6 months: 2.0 – 6.0 %

Methodology

Sysmex XN Platform

Performed

Sunday – Saturday

Reported

As completed

CPT Codes

85046

Unacceptable Conditions

Frozen, clotted, seruim or grossly hemolyzed samples.