Skip to content

Cardiovascular Transplant Cardiac Function Evaluation (Serum/Plasma)

Published: August 9, 2026Updated: August 16, 2026

This test measures markers in your blood to help assess how well your heart is functioning, especially important after a transplant to monitor recovery and detect complications.

Quick summary

["Helps track heart health post-transplant and identify early signs of issues like rejection or organ strain."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
83541-3
Short code
CARDEVAL
Synonyms
Cardiology Trnsplt cand eval nte
Category
chemistry
Sample
serum
Container
Serum separator tube (SST) for serum-based tests; additional containers may include EDTA plasma tubes, sodium heparin tubes, and sodium fluoride tubes depending on specific analytes ordered within the evaluation panel
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
≥ 18 years
Method
cardiovascular-disease
CPT
99499
SNOMED
424483007
Specimen volume
Variable; typically 5-10 mL of serum per collection tube. Total volume requirements depend on the comprehensive panel of tests ordered for transplant evaluation.
Stability
Stability varies by individual analyte. Serum is generally stable for 4-6 hours at room temperature, 24-48 hours at 2-8°C, and longer periods at -20°C or -80°C for specific analytes. Cardiac biomarkers (troponin, BNP) should be processed within recommended timeframes per manufacturer specifications.
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
24–168 hours
Order
routine

Why This Test Matters for Your Heart Health

After a heart transplant, your body’s immune system may still react to the new organ, or other heart-related problems could develop. This test helps doctors monitor these risks by checking levels of specific substances that reflect heart function and stress.

What the Test Measures

Your blood sample will be analyzed for several key substances, including markers that indicate how well your heart is pumping blood, whether it’s being damaged, or if there’s inflammation or immune response affecting it. These tests may include measurements of enzymes, proteins, or other biomarkers tied to heart health.

Sample Collection and Preparation

A small blood sample will be drawn from a vein in your arm. This is done in a doctor’s office or lab. Your blood will be sent to a specialized facility to be processed and tested for the relevant markers. You may be asked to fast for a few hours before the test if instructed by your healthcare provider.

What to Expect Before the Test

No special preparation is usually required, but you may be advised to avoid certain medications or foods for a short time. If you’re on blood thinners or other medications, let your doctor know before the test. You can typically return to normal activities immediately after the blood draw.

Reference range

Not applicable; this LOINC code represents a clinical evaluation note document for transplant candidacy rather than a quantitative analyte. Reference ranges vary by individual laboratory tests included in the comprehensive cardiac transplant evaluation panel.N/A

Specimen: serum

No specific fasting required for the overall evaluation note. Individual tests within the panel may have specific preparation requirements. Patient should bring complete medical history, list of current medications, prior cardiac catheterization reports, echocardiogram results, and any previous laboratory results. Patient should be well-hydrated for venipuncture procedures.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

High or abnormal levels of these markers may signal problems such as heart rejection, inflammation, or other complications after a transplant. Low levels could indicate insufficient heart function or poor recovery. Regular monitoring helps doctors adjust treatments to keep your heart healthy and functioning properly.

Short name

Cardiac Function Check

Frequently asked questions

How often will I need this test?
The frequency depends on your transplant timeline and overall health. Typically, it’s done more often in the first months after surgery and then gradually less often as your heart stabilizes. Your doctor will set a schedule based on your progress and needs.
What if my results are abnormal?
If your results show abnormalities, your doctor will discuss them with you. They may recommend additional tests, changes to your medication, or closer monitoring to address any issues. Don’t worry—many patients recover well with proper care and adjustments.
Can I eat or drink before this test?
Usually, you can eat and drink normally unless your doctor specifies otherwise. Some tests may require fasting, but this test does not. Always follow your healthcare provider’s instructions for the best results.
  1. 1
  2. 2
  3. 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.

Medical Disclaimer

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