Inhibin B, Serum
Order Code: INHB
CPT Code: 83520
Referral Laboratory: Mayo Medical Laboratories
Effective September 21, 2021, MLabs has changed the specimen requirements and reference range for Inhibin B, Serum (INHB) per Mayo Medical Laboratories.
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Current Specimen Required |
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Collection Tube/ Container: |
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Preferred |
Red Top |
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Acceptable |
Serum Gel |
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New Specimen Required |
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Collection Tube/ Container: |
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Preferred |
Serum Gel |
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Acceptable |
Red Top |
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Current Reference Range |
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Males |
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0-23 Months |
<430 pg/mL |
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2-4 years |
<269 pg/mL |
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5-7 years |
<184 pg/mL |
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8-10 years |
<214 pg/mL |
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11-13 years |
<276 pg/mL |
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14-17 years |
<273 pg/mL |
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Adults |
<399 pg/mL |
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Females |
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0-23 Months |
<111 pg/mL |
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2-4 years |
<44 pg/mL |
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5-7 years |
<27 pg/mL |
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8-10 years |
<67 pg/mL |
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11-13 years |
<120 pg/mL |
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14-17 years |
<136 pg/mL |
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Pre Menopausal |
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Follicle |
<139 pg/mL |
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Luteal |
<92 pg/mL |
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Post Menopausal |
<10 pg/mL |
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New Reference Range |
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Males |
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<15 Days |
68-373 pg/mL |
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15-180 Days |
42-516 pg/mL |
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6 mth – 7 years |
24-300 pg/mL |
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8-30 years |
47-383 pg/mL |
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31-72 years |
<358 pg/mL |
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> 72 years |
Not Established |
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Females |
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≤ 12 years |
<183 pg/mL |
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13-41 years of regular Cycle (Follicular Phase) |
<224 pg/mL |
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42-51 years of regular Cycle (Follicular Phase) |
<108 pg/mL |
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13-51 years of regular Cycle (Luteal Phase) |
<80 pg/mL |
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>51 years (post menopausal) |
<12 pg/mL |
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Current Requested Volume |
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New Requested Volume |
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0.4 mL |
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1.0 mL |
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Current Specimen Stability |
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Specimen |
Temperature |
Time |
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Serum |
Refrigerated (preferred) |
7 days |
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Frozen |
90 Days |
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New Specimen Stability |
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Specimen |
Temperature |
Time |
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Serum |
Refrigerated (preferred) |
14 Days |
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Frozen |
90 Days |