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HelpTest Code RETA Reticulocytes, Blood
Additional Codes
| Ordering Mnemonic |
|---|
| RETA |
Methodology
Automated Measurement
Useful for measuring the number of red blood cells delivered by the bone marrow. Reticulocyte count is elevated in active erythropoiesis and decreased in hypoplastic or deficiency conditions.
Performing Laboratory
Holland Hospital Laboratory Services
Specimen Requirements
Container/Tube: Lavender-top (EDTA) tube(s)
Specimen Volume: 4 mL (pediatric: 2 mL) of whole blood
Specimen Transport Temperature
Refrigerate
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85044-manual (if appropriate)
85045-automated (if appropriate) (HH Bill Code 0202024)
Reference Values
AUTOMATED
≤2 weeks: 2.5-6.5%
>2 weeks: 0.8-2.1%