Progesterone, Sperm-Associated Concentration (Confirmatory)
This test measures the concentration of progesterone found in sperm, which may help assess reproductive health or evaluate fertility issues in men.
["Progesterone in sperm can provide clues about hormone balance and male fertility."]
Key facts at a glance
- LOINC
- 57445-9
- Short code
- Sperm Prog 1 p conc NFr Smn
- Synonyms
- Sperm Prog 1 p conc 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
- 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 Might Be Ordered
Your healthcare provider may recommend this test if you’re experiencing infertility, unexplained low sperm count, or other fertility concerns. It could also be part of a broader evaluation for hormonal imbalances affecting sperm quality.
What to Expect Before the Test
No special preparation is typically needed, but you may be asked to provide a semen sample. Follow your provider’s instructions for timing and collection to ensure accurate results.
How the Test Works
A small amount of semen is collected and analyzed for progesterone levels using a sensitive immunoassay method. This helps detect whether hormone levels are within expected ranges for sperm function.
What the Results Mean
Results are compared to reference ranges for sperm-associated progesterone, though exact values may vary by lab. Abnormal levels could suggest hormonal dysfunction or other underlying conditions affecting fertility.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Sperm-Associated Progesterone Level
Frequently asked questions
What does a ‘confirmatory’ result imply?
Can this test be done at home?
How long does it take to get results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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