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Test Code 46452 Reticulocyte Hemoglobin (Ret-He)

Important Note

Please order LAB296 Reticulocyte Count, Blood for this test and MLAB 46314 at OBL

Reporting Title

Reticulocyte

Methodology

Automated Multiparameter Hematology Analyzer

Used to evaluate erythropoietic activity.

Performing Laboratory

OhioHealth Laboratory Services- RMH, GMC, DH, DMH, GCMH and OBL Core Laboraotries

Specimen Requirements

Specimen must arrive within 48 hours of draw.

 

Draw blood in a lavender-top (EDTA) tube(s), and send EDTA whole blood. Mix gently by inverting 8 times. Do not centrifuge. Forward unprocessed whole blood promptly at ambient temperature. If there is a delay in transport, send specimen refrigerated.

Note:  Specimen may be refrigerated for up to 48 hours if unable to process immediately.

Specimen Transport Temperature

Ambient/Refrigerate ≤48 hours OK/Frozen NO

Reference Values

RETICULOCYTES

0.5-2.5%

ABSOLUTE RETICULOCYTES

Males

Newborn-3 months:  0.02-0.10 M/mcL

≥4 months:  0.025 0.09 M/mcL

Females

Newborn-3 months:  0.02-0.10 M/mcL

≥4 months:  0.025-0.07

IMMATURE RETICULOCYTE FRACTION 
≥3 months:  0.1-0.4

RETICULOCYTE HEMOGLOBIN (Ret-He)

Adults 27.7-38.2 pg/RBC

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85045