Prolactin Vascular Region/Oral/Rectal Anatomic Structure Measurement (Prolactin Max Diameter)
This test measures the maximum diameter of blood vessels in specific regions (oral or rectal) related to prolactin levels, though it is not a standard blood or hormone test. It may be used in specialized evaluations of vascular changes linked to hormonal conditions.
["This test assesses vascular anatomy in areas affected by hormonal influences, though it is not a routine blood test."]
Key facts at a glance
- LOINC
- 20290-3
- Short code
- PV Region orifice area DOP.Vmax+diam
- Synonyms
- PV Region orifice area DOP.Vmax+diam
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 0
- Ref high
- 5
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- us-doppler-vmax-diameter-calculated
- CPT
- 82378
- SNOMED
- 394995008
- 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
What Is This Test Measuring?
This test evaluates the physical structure of blood vessels in the oral or rectal regions, specifically focusing on the maximum diameter of vascular areas associated with prolactin. Prolactin is a hormone, and its effects can sometimes influence blood vessel size in certain anatomical locations. This measurement may be part of a broader evaluation for conditions affecting vascular health or hormonal balance.
Why Might You Need This Test?
Your healthcare provider may recommend this test if they suspect hormonal imbalances or conditions affecting blood vessels in the oral or rectal areas. It could be part of a diagnostic process for conditions like vascular disorders, hormonal disorders, or other systemic health concerns that influence vascular anatomy.
How Is This Test Performed?
This test involves a specialized imaging or measurement technique to assess the vascular diameter in the specified regions. You may undergo a procedure such as ultrasound, Doppler imaging, or another vascular assessment. The test is typically non-invasive and does not require fasting or special preparation beyond standard instructions to ensure accuracy.
What Does the Result Mean?
The results indicate the maximum diameter of blood vessels in the oral or rectal regions. Abnormal measurements might suggest vascular changes due to hormonal imbalances, inflammation, or other underlying conditions. Your healthcare provider will interpret these results in the context of your overall health and symptoms.
Reference range
Non-smokers: <2.5 ng/mL; Smokers: <5.0 ng/mLN/A
No special preparation required. For PSA, avoid sexual activity for 24-48 hours before the test.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Prolactin Vascular Diameter Assessment
Frequently asked questions
What Are Common Causes or Conditions Linked to This Test?
How Often Can I Expect to Have This Test Repeated?
What Preparations Are Needed Before This Test?
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