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HelpTest Code LAB94 Iron, Total, Plasma
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Colorimetric (Ferrochrome/Ferrozine)
Literature Reference:
Package insert: Iron IRON2 reagent. Roche Diagnostics Corporation, 07/2019.
Specimen Requirements
Patient Preparation:
There can be considerable intraindividual variation through the course of a day. A fasting, morning specimen is recommended.
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin)
Specimen Volume: Full tube
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: Routine: 2 to 4 hours after receipt in laboratory
Test Classification and CPT Coding
83540
Reference Values
| Age | Sex | Reference Interval |
| 0 minutes-1 month | Female | 100- 250 mcg/dL |
| > 1 month-12 years | Female | 50 - 120 mcg/dL |
| > 12 years-150 years | Female | 35 - 145 mcg/dL |
| 0 minutes-1 month | Male | 100 - 250 mcg/dL |
| > 1 month-12 years | Male | 50 - 120 mcg/dL |
| > 12 years-150 years | Male | 50 - 150 mcg/dL |
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Alternate Tube:
1 dark green-top (lithium heparin) tube
1 red-top tube
Laboratory Processing Instructions:
Test performed in BJH Core Lab. Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.
Test performed in Ambulatory Cancer Building Lab. Centrifuge sample and deliver to the Cobas. Completed specimens are stored refrigerated for 5 days.
Special Instructions
See Analyte Stability Chart under General Information for a complete list.
LOINC Code Information
| Name | LOINC Code |
| Iron | 2498-4 |