: Pelvic Region Orifice Area and Maximum Area by Doppler Ultrasound
: This test uses Doppler ultrasound to measure the area of an orifice and surrounding pelvic region structures and to record the maximum measured area during the exam.
[": It is an imaging-based measurement that helps your care team evaluate the size and flow-related characteristics of pelvic structures."]
Key facts at a glance
- LOINC
- 20289-5
- Short code
- PV Region orifice area DOP.VMAX+area
- Synonyms
- PV Region orifice area DOP.VMAX+area
- 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-area-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 This Test Measures
: The test combines area measurements of an orifice and the surrounding pelvic region with Doppler ultrasound, which shows blood flow. It records both the measured area and the maximum area observed during the study.
: How the Exam Is Done
: A trained sonographer uses an ultrasound probe to view pelvic structures and applies Doppler to assess flow. Measurements are taken from the images, and you may be asked to change position or hold still briefly during recording.
: Preparing for the Test
: Preparation depends on the specific protocol your clinician orders; you may be asked about prior surgery, devices, or symptoms. Follow any instructions given by the imaging center about clothing, bladder fullness, or timing.
: What the Results Mean
: The reported areas are compared with what is expected for your anatomy and clinical context. Because normal values depend on the body part, equipment, and technique, your provider interprets the numbers alongside your symptoms and other findings.
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.
: Area and maximum-area measurements from pelvic Doppler ultrasound can support evaluation of structural narrowing, enlargement, or flow abnormalities, but they are not diagnostic on their own. Results should be interpreted by the ordering clinician in the context of your history, physical exam, and other imaging or laboratory tests.
Short name
: NONE
Frequently asked questions
: Is this test painful?
: Do I need to fast or have a full bladder?
: Can I get results right away?
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