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Test Code FROS2 Fructose, Qualitative, Semen

Specimen Required

Patient Preparation: Patient should have 2 to 7 days of sexual abstinence at the time of semen collection.


Submit only 1 of the following specimens:



Collection Container/Tube: Sterile container

Submission Container/Tube: Plastic container

Specimen Volume: Total ejaculate

Collection Instructions: Do not dilute specimen. Freeze specimen at -20° 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.

Secondary ID


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

Qualitative Fructose,Semen

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Semen Frozen

Reject Due To

No specimen should be rejected.

Reference Values


Day(s) and Time(s) Performed

Set up on Friday

Performing Laboratory

Mayo Clinic 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


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FROS2 Qualitative Fructose,Semen In Process


Result ID Test Result Name Result LOINC Value
FRUCS Fructose, Semen/Seminal P 13943-6
CLSM Collection Site 56816-2
VOLSM Semen Volume 3160-9
CMT49 Comment 48767-8