Download Lactate Test Visual Guide infographic (PNG)
Lactate is a laboratory test that measures a result in a Blood (Serum) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.
The current booking price is shown at Rs. 414 against an MRP of Rs. 470, inclusive of taxes where applicable.
No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.
Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only.
| Measure | Typical guide | Note |
|---|---|---|
| Result unit | mmol/L | Use the reference range printed on your final report. |
| High lactate | Above lab range | May reflect poor oxygen delivery, severe infection, seizure or metabolic stress. |
| Urgent context | Very high or rising | Can be urgent in acutely ill patients. |
| Reason | Description |
|---|---|
| Tissue oxygen marker | Lactate rises when tissues rely more on anaerobic metabolism. |
| Sepsis/shock support | Used in emergency and critical care settings. |
| Metabolic review | May support selected metabolic or medicine-related workups. |
| Situation | Description |
|---|---|
| Symptoms | Severe weakness, fast breathing, confusion, low BP, serious infection symptoms. |
| Risk context | Sepsis, shock, seizures, severe asthma, metformin context with kidney disease. |
| Urgent users | Acutely ill patients under medical care. |
| Topic | Guidance |
|---|---|
| Fasting | No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. |
| Handling | Tourniquet time and processing delay can affect lactate. |
| Interpretation | Read with vital signs, blood gas and illness context. |
Home sample collection for Lactate is available in the cities below, subject to confirmation of your pincode at booking.
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Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.