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HelpTest Code MSTC Strict Criteria Sperm Morphology for Infertility Diagnosis and Treatment, Semen
Reporting Name
Strict Criteria Sperm MorphologyPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Diagnosing male infertility
Selecting the most cost-effective therapy for treating male-factor infertility
Quantifying the number of germinal and white blood cells per mL of semen
Method Name
Kruger Criteria Strict Morphology
Ordering Guidance
Additional Testing Requirements
Conventional semen analysis, FER / Semen Analysis, Semen. should be performed in conjunction with this test.
Shipping Instructions
Semen 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
Specimen volume is required.
Specimen Required
Container/Tube: Semen Analysis Kit (T178)
Collection Instructions: Patient should have 2 to 7 days of sexual abstinence at the time of semen collection for accurate results.
Specimen Volume: Total ejaculate
Specimen Type
SemenSpecimen Minimum Volume
A minimum count is needed. Lab will determine.
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Semen | Ambient | ||
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Normal forms
≥4.0%
Germinal cells/mL
<4 x 10(6) (normal)
≥4 x 10(6) (Elevated germinal cells in semen are of unknown clinical significance)
WBC/mL
<1 x 10(6) (normal)
≥1 x 10(6) (Elevated white blood cells in semen are of questionable clinical significance)
Interpretation
Categorizing sperm according to strict criteria based on measurements of head and tail sizes and shapes. Sperm with abnormalities in head/tail size/shape may not be capable of completing critical steps in sperm transport and fertilization.
Day(s) Performed
Monday through Friday
Report Available
2 to 4 daysTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
89398
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MSTC | Strict Criteria Sperm Morphology | 48812-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| OVAL2 | Strict Morph NL | 10622-9 |
| ACRSM | Acrosom Defect | 66494-6 |
| HDSAB | Head Shape Abnormal | 66495-3 |
| HDZAB | Head Size Abnormal | 66496-1 |
| MD | Midpiece Defect | 10603-9 |
| TAILD | Tail Defect | 10604-7 |
| DBLF | Double Forms | 66497-9 |
| MULTI | Multiple Defects | 66498-7 |
| GERM3 | Germ Cells/mL | 10576-7 |
| WBC6 | WBC/mL | 10579-1 |
| CMT56 | Comment | 48767-8 |