Category:

Turnaround Time: Within 1 day
CPT Code:

83540

Test Type: 1 mL Serum (preferred) or plasma
Stability Time:

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Reference Range:

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

Overview:

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

Collection Details:

Collection Instructions:

Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do NOT use Oxalate, EDTA, or Citrate Plasma.

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

Maintain specimen at room temperature.