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DNA Labs India

Oxalate Test

DNA Labs India | ISO 9001:2015 Certified

Oxalate Test

Also known as: Serum Oxalate Test, Oxalate Blood Test

Oxalate Test test available at DNA Labs India for ₹11,700. Uses Enzymatic Assay on Serum samples. Results in Sample by 7th of the month; report after 2-3 weeks.. Free home collection in 300+ cities across India.

NephrologistAll age groups🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr Ramarao Paidisetty

Dr Ramarao Paidisetty

Consultant Biochemist · Reg: 21504

Last reviewed: September 7, 2026

Overview

To measure serum oxalate concentration and help diagnose and monitor hyperoxaluria or kidney stone disease.

Test Code
3521
Price
₹11,700
Sample Type
Serum
Result Time
Sample by 7th of the month; report after 2-3 weeks.
Fasting Required
No
Method
Enzymatic Assay
Step 1

Sample Collection

Avoid excessive amounts of vitamin C or vitamin C rich food for at least 48 hours prior to specimen collection.

Method: Venipuncture

Step 2

Laboratory Analysis

Standard venipuncture is performed. Serum must be separated within 1 hour of collection and frozen immediately.

Step 3

Report Delivery

Ship frozen. DO NOT THAW. A duly filled Test Send Out Consent Form (Form 35) is mandatory.

Timeline: Sample by 7th of the month; report after 2-3 weeks.

Patient Instructions

1
Before the Test:Avoid excessive amounts of vitamin C or vitamin C rich food for at least 48 hours prior to specimen collection.
2
During the Test:A healthcare worker will draw blood from a vein. Serum must be separated and frozen promptly.
3
After the Test:No specific post-test restrictions are required. Store and transport the sample frozen without thawing.

About This Test

Who Should Get This Test

To measure serum oxalate concentration and help diagnose and monitor hyperoxaluria or kidney stone disease.

How to Prepare

  • Avoid excessive amounts of vitamin C or vitamin C rich food for at least 48 hours prior to specimen collection.
  • Collect 2.0 mL (1.0 mL min.) serum in 1 Red Top (No Additive) tube.
  • Do not use SST gel barrier tubes.
  • Separate serum within 1 hour of collection and freeze immediately.
  • Ship frozen; do not thaw.
  • Complete and attach Test Send Out Consent Form (Form 35).

Doctor's Notes

Reviewed by — MBBS, MD (Biochemistry) · Reg. No. 21504

"Elevated serum oxalate may indicate hyperoxaluria and should be interpreted with renal function, dietary history, and urinary oxalate excretion. It is an important marker in recurrent calcium oxalate kidney stone evaluation."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeSerum
Sample Volume2.0 mL (1.0 mL min.)
Container1 Red Top (No Additive) tube. Do not use SST gel barrier tubes.
Collection MethodVenipuncture

Sample Stability

Room temperature: NA
Refrigerated: NA
Frozen: 7 days
Sample Rejection Criteria:
  • Thawed sample
  • Improper tube such as SST gel barrier tube
  • Insufficient sample volume
  • Missing Test Send Out Consent Form (Form 35)
  • Delayed separation or freezing

Understanding Your Results

Elevated serum oxalate may indicate hyperoxaluria, either primary or secondary, and is associated with increased risk of calcium oxalate kidney stones and renal injury.
📊

< 2.0 µmol/L

Level: Normal

📊

2.0 - 5.0 µmol/L

Level: Borderline

📊

> 5.0 µmol/L

Level: High

⚠️ When to Consult a Doctor:

Consult a nephrologist if serum oxalate is elevated, or if you have recurrent kidney stones, reduced kidney function, or unexplained abdominal or joint pain.

Limitations

  • ⚠Reference ranges may vary between laboratories
  • ⚠Serum oxalate may not fully reflect urine oxalate excretion
  • ⚠Requires frozen transport; thawed samples may be rejected
  • ⚠A single measurement should be correlated with clinical findings and urine studies

Risks & Considerations

  • ●Mild pain or bruising at venipuncture site
  • ●Lightheadedness
  • ●Rare infection at puncture site

Interfering Factors

  • ●Excessive vitamin C supplementation
  • ●High-oxalate foods
  • ●Recent vitamin C intake within 48 hours before collection
  • ●Hemolysis
  • ●Improper sample handling or thawing

Compare With Similar Tests

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Frequently Asked Questions

What is the Oxalate Test?
The Oxalate Test is a diagnostic blood test that measures the level of oxalate in the serum. Oxalate is naturally occurring and can cause health problems when it builds up excessively.
Why is the Oxalate Test done?
It is done to evaluate unexplained kidney stones, chronic kidney disease, and suspected hyperoxaluria. It can also monitor treatment of oxalate buildup.
What are the symptoms of oxalate buildup?
Symptoms may include kidney stones, chronic kidney disease, abdominal pain, joint pain, fatigue, and urinary tract infections.
What is the cost of the Oxalate Test in India at DNA Labs India?
At DNA Labs India, the Oxalate Test costs Rs 11700. This includes the test fee and consultation support.
Is home sample collection available for the Oxalate Test?
Yes, DNA Labs India offers free home sample collection for online bookings for the Oxalate Test across many cities in India.
What sample is required for the Oxalate Test?
A 2.0 mL (1.0 mL min.) serum sample in 1 Red Top (No Additive) tube is required. SST gel barrier tubes should not be used.
What preparation is required before the Oxalate Test?
Avoid excessive amounts of vitamin C or vitamin C rich food for at least 48 hours prior to specimen collection.
How is the Oxalate Test performed?
The test is a simple blood test. Serum is separated within 1 hour of collection and frozen immediately for transport.
What is the turnaround time for the Oxalate Test?
The sample is sent by the 7th of the month and the report is available after 2-3 weeks.
What are normal values of the Oxalate Test?
Reference ranges can vary by laboratory. A commonly used serum oxalate reference range is less than 2.0 µmol/L. Always interpret with clinical correlation.
What can cause high oxalate levels?
High oxalate levels can be caused by excessive vitamin C intake, high-oxalate diets, certain gastrointestinal disorders, and primary hyperoxaluria.
Is the Oxalate Test safe?
Yes, it is a safe and non-invasive blood test. Some people may experience mild bruising or pain at the venipuncture site.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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