Test Details
Methodology
Colorimetric
Result Turnaround Time
Within 1 day
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Aid in the evaluation of a number of conditions involving red cell production and destruction, iron metabolism, or iron transport
Specimen Requirements
Specimen
Serum (preferred) or plasma (lithium heparin only). EDTA plasma causes decreased results.
Volume
1 mL
Minimum Volume
0.7 mL (Note: This volume does not allow for repeat testing.)
Container
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.
Collection Instructions
Separate serum or plasma from cells within 45 minutes of collection.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 14 days |
Refrigerated | 14 days |
Frozen | 14 days |
Freeze/thaw cycles | Stable x3 |
Reference Range
See table.
Male | Range (μg/dL) |
|---|---|
0 to 30 d | 35−160 |
1 m to 1 y | 18−126 |
2 to 12 y | 28−147 |
13 to 17 y | 26−169 |
>17 y | 38−169 |
Female | Range (μg/dL) |
0 to 30 d | 27−133 |
1 m to 1 y | 18−126 |
2 to 12 y | 28−147 |
13 to 17 y | 26−169 |
18 to 60 y | 27−159 |
>60 y | 27−139 |
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Severe hemolysis; improper labeling; improper collection; EDTA or oxalate plasma specimens
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 001339 | Iron | 2498-4 | 001339 | Iron | ug/dL | 2498-4 |
| Order Code | 001339 | |||||
| Order Code Name | Iron | |||||
| Order Loinc | 2498-4 | |||||
| Result Code | 001339 | |||||
| Result Code Name | Iron | |||||
| UofM | ug/dL | |||||
| Result LOINC | 2498-4 |