| 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 # |
Reticulated Hemoglobin Equivalent
Test CodeRETHE - NOCO
CPT Codes
85046
Preferred Specimen
4.5 mL whole blood from Purple EDTA
Minimum Volume
0.5 mL
0.25 mL (Microtainer EDTA)
0.25 mL (Microtainer EDTA)
Specimen Stability
| Specimen Type | Temperature | Time |
| Whole Blood EDTA | Ambient | 24 hours |
| Whole Blood EDTA | Refrigerate | 48 hours |
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, clotted
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same day
Reference Range
0-1 month: 27.5-35.5 pg
>1 month: 30.5-41.0 pg
Pediatric: Less than 27.5 pg is indicative of iron deficiency.
Adults: The RET-He threshold for defining iron deficiency in adults is less than 29 pg. (KDOQI Guideline)
>1 month: 30.5-41.0 pg
Pediatric: Less than 27.5 pg is indicative of iron deficiency.
Adults: The RET-He threshold for defining iron deficiency in adults is less than 29 pg. (KDOQI Guideline)
Performing Laboratory
Banner Fort Collins Medical Center Laboratory
North Colorado Medical Center Laboratory
