Immediatley following collection, mix sample by gently inverting 5 times
Refrigerated (preferred) - 14 days
Ambient - 7 days
Frozen - 90 days
Enzyme-Linked Immunosorbent Assay (ELISA)
MALE |
|
<15 days |
68 – 373 pg/mL |
15 – 180 days |
42 – 516 pg/mL |
6 months – 7 years |
24 – 300 pg/mL |
8 – 30 years |
47 – 383 pg/mL |
31 – 72 years |
<358 pg/mL |
>72 years |
Not established |
|
|
FEMALE |
|
≤12 years |
<183 pg/mL |
13 – 41 years Regular cycle (Follicular phase) |
<224 pg/mL
|
42 – 51 years Regular cycle (Follicular phase) |
<108 pg/mL
|
13 – 51 years Regular cycle (Luteal phase) |
<80 pg/mL
|
>51 years (Postmenopausal) |
<12 pg/mL |