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HelpTest ID FROS Fructose, Semen or Seminal Plasma
Useful For
Fructose testing should be considered for patients with azoospermia and low volume ejaculates to establish the origin of the azoospermia.
Method Name
A Qualitative Method Using Resorcinol
Reporting Name
Fructose, Semen/Seminal PSpecimen Type
SemenPatient should have 2 to 7 days of sexual abstinence at the time of semen collection.
Submit only 1 of the following specimens:
Semen
Collection Container/Tube: Sterile container
Submission Container/Tube: Plastic container
Specimen Volume: Total ejaculate
Collection Instructions: Do not dilute specimen. Freeze specimen at -20 degrees C.
Seminal Plasma
Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. After semen collection, wait 30 to 40 minutes until the semen is liquefied, then centrifuge the semen for 10 minutes at maximum centrifuge speed.
2. Remove top 3/4 of specimen with a pipet and place in a plastic vial.
3. Discard remainder of centrifuged specimen.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Semen | Frozen | |
Clinical Information
Fructose is produced in the male reproductive tract by the seminal vesicles and is released into the semen during ejaculation. Fructose is the energy source for sperm motility.
Reference Values
Positive
Cautions
This test should be performed in conjunction with a semen analysis to determine semen volume, pH, sperm concentration, motility, and grade of forward progression.
Fructose test must be on a separate ejaculate (DO NOT dilute specimen).
Day(s) Performed
Monday through Friday; upon arrival
Report Available
1 dayPerforming Laboratory
Mayo Medical Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
82757