Total Diameter of Penile Densities (Erythrocyte Count or Red Blood Cell-Related Measurement)
This test may refer to an evaluation of red blood cell characteristics or a specialized measurement related to penile density (a rare or research-specific term). For standard blood tests, your provider will clarify the exact purpose.
["This test is not a standard blood panel and may not apply to routine care; confirm with your healthcare team."]
Key facts at a glance
- LOINC
- 111899-1
- Short code
- Tail diameter PD Endscpy
- Synonyms
- Tail diameter PD Endscpy
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- endoscopy
- 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 This Test Measures
The term ‘penile densities’ in this context appears to be a non-standard or research-specific phrase. If referring to red blood cells, it might involve a measurement of cell distribution or morphology. For example, it could relate to erythrocyte sedimentation rate (ESR) or similar indirect assessments of red blood cell properties. However, this is not a widely recognized clinical test.
Why It Might Be Ordered
Since this test is not a standard diagnostic tool, it may be used in specialized research, advanced imaging studies, or niche clinical scenarios (e.g., vascular or penile health studies). If ordered, your provider will explain its relevance to your condition. For general bloodwork, tests like complete blood count (CBC) or specific red blood cell indices are more commonly used.
What to Expect Before the Test
If this test is unrelated to standard bloodwork, it may involve a different procedure (e.g., imaging, ultrasound, or specialized imaging of penile structures). For red blood cell-related tests, standard blood drawing procedures apply: avoid alcohol or strenuous activity 24 hours beforehand.
What to Expect During the Test
The procedure depends on the test’s purpose. If it involves blood, a healthcare provider will insert a needle into a vein, draw a small sample, and remove the needle. If it involves imaging (e.g., ultrasound), you may lie down while a technician uses gel and a probe to capture images.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Why might my doctor order this test?
What does a result of this test mean?
Do I need to prepare differently for 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