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Follicle Stimulating Hormone

Mnemonic

FSH

Synonym

FSH - Follitropin

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

View image for Supply Item Number - 101235 or 101192

Handling

Allow serum to clot completely at room temperature (minimum – SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

1.0 mL Serum

Minimum Volume

0.3 mL Serum/Plasma (0.8 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

  • Grossly hemolyzed specimens
  • Plasma specimens

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 7 days; Frozen (≤ -20°C): 2 months 

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

MALE: 1.4-18.1 IU/L
FEMALE:
Follicular:    2.5-10.2 IU/L
Midcycle Phase:    3.4-33.4 IU/L
Luteal Phase:    1.5-9.1 IU/L
Postmenopausal:    23.0-116.3 IU/L
During Pregnancy:    <0.3 IU/L

CPT Codes

83001

Last Updated: Thursday, February 11, 2021 08:34:21 PM


Client Services: 503-413-1234