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Test ID MSTC Strict Criteria Sperm Morphology for Infertility Diagnosis and Treatment, Semen

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

Reporting Name

Strict Criteria Sperm Morphology

Specimen Type


Ordering Guidance

No Internal Ordering Restrictions

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 Minimum Volume

A minimum count is needed. Lab will determine.

Specimen Stability Information

Specimen Type Temperature Time Special Container
Semen Ambient

Reference Values

Normal forms


Germinal cells/mL

<4 x 10(6) (normal)

≥4 x 10(6) (Elevated germinal cells in semen are of unknown clinical significance)


<1 x 10(6) (normal)

≥1 x 10(6) (Elevated white blood cells in semen are of questionable clinical significance)

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information


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

Test 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.

Report Available

2 to 4 days

NY State Approved