New Parameters with Automated Reticulocyte Analysis

• Immature Reticulocyte Fraction (IRF)
  • Reflects rate of erythropoietic activity
  • Available on many instruments, methods
  • Formerly termed reticulocyte maturity index (RMI)
  • Replaces need for “corrected” reticulocyte count

• Reticulocyte MCHC (hypochromic Retics)
  • Detects early functional iron deficiency in Epo - Studies by Brugnaro, d’Onofrio
  • Available only on Technicon H3 to date

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