Iron

CPT: 83540
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Expected Turnaround Time

Within 1 day


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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

Separate serum or plasma from cells within 45 minutes of collection.


Storage Instructions

Maintain specimen at room temperature.


Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3


Causes for Rejection

Severe hemolysis; improper labeling; improper collection; EDTA or oxalate plasma specimens


Test Details


Use

Aid in the evaluation of a number of conditions involving red cell production and destruction, iron metabolism, or iron transport


Methodology

Colorimetric


Reference Interval

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


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

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