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Sperm Motility Concentration (Quantitative)

Published: August 9, 2026Updated: August 16, 2026

This test measures the concentration of motile sperm cells in a semen sample, which is important for fertility assessment.

Quick summary

["Assessing sperm motility helps determine fertility potential in men."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
40696-7
Short code
Sperm Motile p conc # Smn
Synonyms
Sperm Motile p conc # Smn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you or your partner are experiencing difficulty conceiving. It helps evaluate the quality and quantity of sperm that can potentially fertilize an egg. This is often part of a broader evaluation for male infertility or as part of a pre-sperm donation screening process.

What to Expect Before the Test

No special preparation is typically needed. You may be asked to provide a semen sample in a sterile container, often done at a clinic or lab. Avoid ejaculation for 2–5 days before the test to ensure a representative sample.

What Happens During the Test

The semen sample is analyzed under a microscope to count and assess the percentage of sperm that are moving (motile). This test specifically measures the concentration of motile sperm cells, not just motility alone.

What the Results Mean

Results are reported as the number of motile sperm per milliliter of semen. Lower-than-expected concentrations may indicate issues with sperm production, function, or motility, which could affect fertility. Your provider will interpret results in the context of your overall health and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

What does a low sperm motility concentration mean?
A low concentration of motile sperm may suggest subfertility or infertility. Common causes include genetic factors, hormonal imbalances, exposure to toxins, or underlying medical conditions. Your provider may recommend further testing, such as hormone levels, genetic screening, or additional semen analysis.
How does this test differ from a standard semen analysis?
A standard semen analysis evaluates overall sperm count, motility, morphology, and volume. This specific test focuses *only* on the concentration of motile sperm cells, providing a more targeted assessment of sperm function.
Can lifestyle changes improve sperm motility concentration?
Yes, certain lifestyle changes may support sperm health, such as maintaining a healthy weight, avoiding smoking and excessive alcohol, managing stress, and protecting yourself from heat (e.g., avoiding tight underwear). However, results depend on underlying causes, so consult your provider for personalized advice.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy