Troponin-I High Sensitive (hsTnI) Test
Short Name: Troponin-I High Sensitive (hsTnI)
Also known as: High-Sensitivity Troponin I, hsTnI, Cardiac Troponin I, High Sensitive, Troponin I, High Sensitivity
Troponin-I High Sensitive (hsTnI) Test test available at DNA Labs India for ₹1,872. Uses CMIA (Chemiluminescent Microparticle Immunoassay) on Serum samples. Results in Reports are generally available the same day or within 24 hours after sample collection.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
To measure circulating cardiac troponin I using a high-sensitivity method, helping diagnose myocardial infarction, assess myocardial injury, and guide urgent treatment decisions.
- Test Code
- 3707
- Price
- ₹1,872
- Sample Type
- Serum
- Result Time
- Reports are generally available the same day or within 24 hours after sample collection.
- Fasting Required
- No
- Method
- CMIA (Chemiluminescent Microparticle Immunoassay)
Sample Collection
No special preparation is needed. You can eat and drink normally. Please inform your doctor about chest pain, symptoms, current medications, and any supplements you are taking.
Method: Venipuncture
Laboratory Analysis
A trained phlebotomist will collect a blood sample from a vein in your arm. The procedure takes only a few minutes.
Report Delivery
You may leave immediately and resume normal daily activities. If there is bleeding or bruising at the puncture site, apply gentle pressure and rest for a few minutes.
Timeline: Reports are generally available the same day or within 24 hours after sample collection.
Patient Instructions
About This Test
Who Should Get This Test
To measure circulating cardiac troponin I using a high-sensitivity method, helping diagnose myocardial infarction, assess myocardial injury, and guide urgent treatment decisions.
How to Prepare
- No special preparation or fasting is required
- Inform the technician if you are experiencing chest pain, breathlessness, or other heart-related symptoms
- A blood sample will be drawn from a vein in your arm
- Samples should be stored refrigerated or frozen and shipped as advised by the laboratory
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"hsTnI must always be interpreted using the 99th percentile reference limit and serial change. A single value is not enough to confirm myocardial infarction."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Haemolysed sample
- Sample with improper or missing labeling
- Sample received outside the recommended storage or transport conditions
Understanding Your Results
hsTnI below 99th percentile
No detectable myocardial injury. If symptoms persist or clinical suspicion is high, repeat testing after 1 to 3 hours is often needed.
hsTnI above 99th percentile with significant rise or fall
Consistent with acute myocardial injury/infarction in the appropriate clinical setting.
Persistent or chronic hsTnI elevation
May be seen in heart failure, chronic kidney disease, myocarditis, structural heart disease, or other non-acute causes.
Normal initial hsTnI soon after symptom onset
Does not exclude myocardial infarction; serial sampling is recommended because troponin may peak later.
If you have chest pain, pressure, shortness of breath, sweating, nausea, or pain radiating to the arm, neck, jaw, or back, seek emergency medical care immediately.
Limitations
- ⚠A single normal hsTnI result does not exclude a very early myocardial infarction; serial testing at 1 to 3 hours is recommended
- ⚠Elevated hsTnI indicates myocardial injury but not the specific cause; it may be elevated in heart failure, myocarditis, renal disease, sepsis, and pulmonary embolism
- ⚠Reference ranges and 99th percentile cutoffs are assay-specific and must be interpreted against the laboratory's stated values
Risks & Considerations
- ●Minimal pain or bruising at the puncture site
- ●Dizziness or fainting during blood collection
- ●Rare infection or excessive bleeding at the collection site
Interfering Factors
- ●Haemolysed blood samples may interfere with immunoassay results
- ●Heterophilic antibodies or autoantibodies may cause false elevation or false depression
- ●High-dose biotin supplementation may interfere with certain immunoassays
- ●Assay-specific reagents may produce variable absolute values, so different assays are not interchangeable
Compare With Similar Tests
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| Comparison | Troponin-I High Sensitive (hsTnI) Test |
Frequently Asked Questions
What is the price of the Troponin-I High Sensitive (hsTnI) test at DNA Labs India?
What is the difference between high-sensitivity troponin I and conventional troponin I?
Why is the hsTnI test done?
What does an elevated hsTnI level mean?
Can a normal hsTnI result rule out a heart attack completely?
Is fasting required before the Troponin-I High Sensitive test?
What sample is collected for the hsTnI test?
How long do hsTnI test reports take at DNA Labs India?
Can I get the hsTnI test done at home?
What is the normal reference range for high-sensitivity troponin I?
Which conditions other than a heart attack can cause elevated troponin?
When should the hsTnI test be repeated after chest pain?
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