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Sperm Freezing Viability Test (or Sperm Cryopreservation Viability Assessment)

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

This test evaluates how well sperm cells survive the freezing and thawing process used in fertility treatments, such as egg or embryo freezing.

Quick summary

["Assessing sperm survival helps ensure fertility treatment success by confirming sperm quality after cryopreservation."]

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

Key facts at a glance

LOINC
106118-3
Short code
Sperm IgG NFr Smn
Synonyms
Sperm IgG NFr Smn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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 Matters for Fertility Treatments

Freezing sperm is a common step in fertility preservation or assisted reproduction. This test checks whether sperm remain viable (able to survive and function) after being frozen and then thawed. Poor viability may reduce the chances of successful fertilization.

What to Expect During the Test Process

A semen sample is collected and frozen according to medical standards. Later, it is thawed and examined under a microscope to assess how many sperm remain alive and functional. This is typically done in a clinical lab setting.

Common Reasons for This Test

Doctors may order this test if you’re undergoing fertility treatments like IVF (in vitro fertilization), sperm freezing for future use, or if you’re concerned about sperm quality after cryopreservation.

What the Results Mean

Results are usually expressed as a percentage of viable sperm after thawing. A higher percentage indicates better sperm survival and potential success with fertility treatments. Discuss results with your healthcare provider for personalized interpretation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Sperm Freezing Test

Frequently asked questions

How does freezing sperm affect its viability?
Freezing sperm can damage sperm DNA and cellular structures, which may reduce viability. This test helps identify how well sperm recover after thawing, guiding decisions about treatment options or further testing.
What if my sperm viability is low after freezing?
A low viability rate may mean your sperm could face challenges during fertilization. Your healthcare provider may recommend additional sperm testing, adjustments to freezing protocols, or alternative fertility treatments to improve outcomes.
Is this test covered by insurance?
Coverage depends on your insurance plan and reason for testing. Since this is often part of fertility treatment, check with your provider or insurance company to confirm coverage details before scheduling.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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