Sign in →

Test Code IRN Iron, Serum/Plasma

Additional Codes

EPIC:  LAB94

Methodology

Timed Bichromatic End point


Used in the diagnosis of a wide range of dysfunctions including anemias, nephrosis, cirrhosis, and hepatitis. Both iron and total iron-binding capacity (TIBC) measurements are important for definitive diagnosis.

Performing Laboratory

St. Joseph Hospital

Specimen Requirements

Preferred:

Plasma

Draw blood in a light green-top (lithium heparin gel) tube. (Hemolyzed specimen is not acceptable.) Centrifuge and separate plasma from cells within 2 hours of collection, and send 1 mL of lithium heparin plasma refrigerated.

Note:  Label specimen as “plasma”.

 

Acceptable:

Serum

Draw blood in a plain, red-top tube or a serum gel tube. (Hemolyzed specimen is not acceptable.) Centrifuge and separate serum from cells within 2 hours of collection and send 1 mL of serum refrigerated.

Note:  Label specimen as “serum”

 

Reference Values

0-3 months:  100-250 µg/dL
4-19 months:  40-100 µg/dL
20 months-13 years:  50-120 µg/dL
>13 years

   Males:  61 - 157 µg/dL

   Females:  37 - 145 µg/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83540