A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Reticulocytes

Test Code
LAB7


Alias/See Also
1231400020


CPT Codes
85046

Includes
RETICULOCYTE COUNT PERCENT
IMMATURE RETICULOCYTE FRACTION
RETICULOCYTE HGB EQUIVALENT
RESULTS COMPLETE


Preferred Specimen
EDTA Lavender top tube


Instructions
Invert immediately and gently mix with anticoagulant


Transport Temperature
Room Temperature


Specimen Stability
Room Temperature: up to 24 hours Refrigerated: up to 48 hours


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted specimens


Methodology
AR,CW, HS, ST, DC, EL, MN, MV, VB Sysmex XN FS Coulter DXH DC Abbott Ruby

Reference Range
Males/Females:
0-2 Days: 3.0-7.0%
2-6 Days: 1.0-3.0%
6 Days-1 Month: 0.0-1.0%
1 Month and above: 0.5-1.5%


Performing Laboratory
ARKADELPHIA LABORATORY CONWAY LABORATORY FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY EL DORADO LABORATORY DREW COUNTY LABORATORY


Last Updated: August 26, 2026


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.