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HelpTest Code SEMB Semen Analysis with Strict Morphology, Semen
Useful For
Determining male fertility status
Selecting the most cost-effective therapy for treating male-factor infertility
Quantifying the number of germinal and white blood cells per milliliter of semen
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| FER | Semen Analysis | Yes | Yes |
| MSTC | Strict Criteria Sperm Morphology | Yes | Yes |
Reporting Name
Semen Analysis with Strict MorphologySpecimen Type
SemenOrdering Guidance
This test should not be used to check patient's sterility following a vasectomy. For such cases, order POSV / Post Vasectomy Check, Semen.
Semen analysis specimens submitted to Mayo Clinic Laboratories are not acceptable for fructose testing due to the use of dilution media. For specimen requirements for fructose testing in azoospermia patients, see FROS2 / Fructose, Qualitative, Semen.
Submit separate specimen to rule-out ejaculatory duct blockage. Positive result indicates no blockage.
Shipping Instructions
Specimen must arrive within 24 hours of collection. Send specimen Monday through Thursday only and not the day before a holiday. If holiday falls on a Saturday, holiday will be observed on the preceding Friday. Sunday holidays are observed on the following Monday. Specimen should be collected and packaged as close to shipping time as possible. Laboratory does not perform testing on weekends.
Necessary Information
Include the following information:
-Semen volume (required)
-Viscosity
-pH
-Appearance (color)
-Number of days of sexual abstinence
Specimen Required
Patient Preparation: Patient should have 2 to 7 days of sexual abstinence at the time of semen collection for accurate results.
Supplies: Semen Analysis Kit - Dilution Media (T178)
Specimen Volume: Total ejaculate
Collection Instructions:
See Semen Collection Specimen Preparation and Packaging Instructions included with the kit
1. Prior to use, allow dilution medium to warm to room temperature for 45 to 60 minutes.
2. Allow semen to liquefy at room temperature for up to 30 minutes.
3. Use sterile volumetric pipet or tube for volume measurement.
4. Pour liquefied semen into 50-mL dilution medium container within 60 minutes of semen collection time, cap tightly, but do not overtighten, and gently mix.
Note: Proper temperature maintenance of specimen throughout processing and shipping is critical. All materials the specimen is exposed to should be at room temperature (20–28° C).
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Semen | Ambient | 36 hours |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Clinical Information
Infertility affects 1 out of 6 couples of child-bearing age. Approximately 40% of infertility has a female-factor cause and 40% a male-factor cause. The remaining 20% of infertility is due to a combination of male- and female-factor disorders or is unexplained.
Semen is composed of spermatozoa suspended in seminal fluid (plasma). The function of the seminal fluid is to provide nutrition and volume for conveying the spermatozoa to the endocervical mucus. Male infertility can be affected by a number of causes. Chief among these is a decrease in the number of viable sperm. Other causes include sperm with abnormal morphology and abnormalities of the seminal fluid. One of the more successful treatments for male and female infertility is in vitro fertilization (IVF). Male partners are tested with the strict criteria sperm morphology test prior to IVF to assist in the diagnosis of male-factor defects.
Abnormalities in sperm morphology are related to defects in sperm transport, sperm capacitation, the acrosome reaction, binding and penetration of the zona pellucida, and fusion with the oocyte vitelline membrane. All steps are essential to normal fertility.
Strict criteria sperm morphology testing also greatly assists with selecting the most cost-effective in vitro sperm processing and insemination treatment for the couple's IVF cycle. Sperm with severe head abnormalities are unlikely to bind to the zona pellucida. These patients may require intracytoplasmic sperm injection in association with their IVF cycle to ensure optimal levels of fertilization are achieved. This, in turn, provides the patient with the best chance of pregnancy.
Multiple semen analyses are usually conducted over the course of the spermatogenic cycle (approximately 70 days).
Reference Values
SEMEN ANALYSIS
Appearance: normal
Volume: ≥1.5 mL
pH: ≥7.2
Motile/mL: ≥6.0 x 10(6)
Sperm/mL: ≥15.0 x 10(6)
Motility: ≥40%
Grade: ≥2.5
Note: Multiple laboratory studies have indicated that semen parameters for motility and grade on average retain 80% of original parameters when our shipping method is used for transport. Using these averages, samples with 32% to 39% motility and grade of 2 may be in the normal range if testing was performed shortly after collection. Therefore, these borderline patients may need to collect another sample at a local fertility center to verify fertility status.
Motile/ejaculate: ≥9.0 x 10(6)
Viscosity: ≥3.0
Agglutination: ≥3.0
Supravital: ≥58% live
Fructose: positive
Note: Fructose testing cannot be performed on semen analysis specimens shipped through Mayo Clinic Laboratories. If patient is azoospermic, refer to FROS2 / Fructose, Qualitative, Semen. Submit separate specimen to rule-out ejaculatory duct blockage. Positive result indicates no blockage.
STRICT MORPHOLOGY
Normal forms: ≥4.0% normal oval sperm heads
Germ cells: <4 x 10(6) (normal)
≥4 x 10(6)/mL (elevated germinal cells in semen are of unknown clinical significance)
White blood cell count:
<1 x 10(6) (normal)
≥1 x 10(6)/mL (elevated white blood cells in semen are of questionable clinical significance)
Day(s) Performed
Monday through Friday
Report Available
1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
89310-Semen Analysis
89398-Strict Criteria Sperm Morphology
If both components performed,
89322-Semen Analysis with Strict Morphology
Specimen Minimum Volume
See Specimen Required
Method Name
FER: Manual
MSCT: Kruger Criteria Strict Morphology