Cardiovascular Risk Assessment: Serum Residual Cholesterol Measurement
This test measures the amount of cholesterol remaining in your blood after certain treatments, such as statin medications. It helps assess how effectively your body is managing cholesterol levels over time.
["This test helps track cholesterol control in patients on cholesterol-lowering therapies."]
Key facts at a glance
- LOINC
- 101538-7
- Short code
- SMA residual risk Bld-Imp
- Synonyms
- SMA residual risk Bld-Imp
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- molgen
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Matters
Your doctor may order this test if you’re taking medications like statins to lower cholesterol, or if you have a history of high cholesterol or cardiovascular risk. It helps determine whether your treatment is working as intended by checking for cholesterol that remains in your bloodstream after treatment begins.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to fast for 12 hours before the test. Bring any medications you’re currently taking to your appointment. Blood is drawn from a vein in your arm, similar to other routine blood tests.
What the Results Mean
Results are compared to your baseline (initial) cholesterol levels and treatment goals. If your residual cholesterol is high, your doctor may adjust your medication or treatment plan. Results are not given as absolute numbers but as a comparison to your progress over time.
Common Reasons for Testing
This test is often used in patients who have already been diagnosed with high cholesterol or cardiovascular disease. It helps monitor long-term treatment effectiveness and ensures your cholesterol remains within a healthy range.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Residual cholesterol levels after treatment are critical for identifying whether your cholesterol-lowering efforts are effective. Persistently high residual cholesterol may indicate suboptimal treatment, increased cardiovascular risk, or the need for additional interventions like lifestyle changes or different medications.
Short name
Residual Cholesterol Screening
Frequently asked questions
How long does it take to get results from this test?
Can I eat or drink anything before this test?
Is this test painful?
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