Liver Ammonia Blood Test
Short Name: Ammonia Blood Test
Also known as: Ammonia Test, Blood Ammonia Test, Serum Ammonia Test, Liver Ammonia Test
Liver Ammonia Blood Test test available at DNA Labs India for ₹4,000. Uses Colorimetric Method on Whole blood from Lavender Top (EDTA) tube samples. Results in Results are typically available within 24 hours, with same-day reporting possible in some cases.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
The primary purpose of the ammonia blood test is to diagnose and monitor conditions related to liver dysfunction, such as cirrhosis, hepatitis, and hepatic encephalopathy. It helps in evaluating the liver's ability to process ammonia and can indicate the severity of liver damage. The test is also used to assess the effectiveness of treatments for liver diseases and to guide further diagnostic steps.
- Test Code
- 105
- Price
- ₹4,000
- Sample Type
- Whole blood from Lavender Top (EDTA) tube
- Result Time
- Results are typically available within 24 hours, with same-day reporting possible in some cases.
- Fasting Required
- No
- Method
- Colorimetric Method
Sample Collection
No special preparation is typically required. However, follow any specific instructions from your doctor, which may include avoiding certain medications or activities.
Method: Venipuncture
Laboratory Analysis
A healthcare professional will draw blood from a vein in your arm using a needle. The process is quick and usually causes minimal discomfort.
Report Delivery
Apply pressure to the puncture site to prevent bleeding. You can resume normal activities immediately. Monitor for any signs of bruising or infection.
Timeline: Results are typically available within 24 hours, with same-day reporting possible in some cases.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the ammonia blood test is to diagnose and monitor conditions related to liver dysfunction, such as cirrhosis, hepatitis, and hepatic encephalopathy. It helps in evaluating the liver's ability to process ammonia and can indicate the severity of liver damage. The test is also used to assess the effectiveness of treatments for liver diseases and to guide further diagnostic steps.
How to Prepare
- Ensure the blood sample is collected in an EDTA tube
- Separate plasma immediately and transfer onto ice
- Ship refrigerated or frozen to avoid hemolysis
- Avoid hemolysis during collection and handling
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"An ammonia blood test is vital for evaluating liver function and diagnosing conditions like hepatic encephalopathy. Early detection through this test can guide effective management and prevent complications."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed samples
- Improper sample storage
- Insufficient sample volume
Understanding Your Results
May indicate liver damage, cirrhosis, hepatic encephalopathy, or other metabolic disorders. Further tests are recommended.
Level: High (Above 80 µmol/L)
Suggests normal liver function. Correlate with symptoms and medical history.
Level: Normal (10-80 µmol/L)
Rarely clinically significant; may occur in certain conditions like hypothermia.
Level: Low (Below 10 µmol/L)
Consult a doctor if your ammonia levels are elevated, or if you experience symptoms such as confusion, fatigue, nausea, or tremors. Immediate medical attention is advised for severe symptoms like coma.
Limitations
- ⚠Results can vary based on lab methods and individual factors
- ⚠Not a standalone diagnostic tool; often requires correlation with other tests
- ⚠May not detect mild liver impairment early on
Risks & Considerations
- ●Minor bruising or soreness at the puncture site
- ●Rarely, infection or excessive bleeding
- ●Fainting or dizziness in some individuals
Interfering Factors
- ●Hemolysis of the blood sample
- ●Certain medications (e.g., valproic acid, diuretics)
- ●Recent high-protein meals
- ●Strenuous physical activity before the test
- ●Smoking
Compare With Similar Tests
| Test | Liver Ammonia Blood Test | Liver Function Test (LFT) | Bilirubin Test | Prothrombin Time (PT) |
|---|---|---|---|---|
| Comparison | Liver Ammonia Blood Test |
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