Organic Acid Qualitative, Spot Urine Test
About Organic Acid Qualitative, Spot Urine Test
| Field | Value |
|---|---|
| Also Known As | Organic Acid Screen (Spot Urine), Urine Organic Acid Analysis, Metabolic Screening Test |
| Sample Type | Spot urine (random urine sample) |
| Fasting Required | No fasting required |
| Report Time | 5 days |
| Recommended For | All ages; primarily infants and children; males and females |
| Price | Starting at ₹3,900 |
What Is an Organic Acid Qualitative, Spot Urine Test?
The organic acid qualitative, spot urine test is a specialised urine screening test that detects abnormal organic acid metabolites in the body. It is used to identify inherited metabolic disorders, also known as inborn errors of metabolism, where specific biochemical pathways do not function correctly. A small spot urine sample is collected and analysed using gas chromatography-mass spectrometry (GC-MS). This test is also referred to as the organic acid screen (spot urine), urine organic acid analysis, or metabolic screening test.
What Does an Organic Acid Qualitative, Spot Urine Test Measure?
This test screens for a specific set of metabolite markers. Each marker is associated with particular metabolic pathways. Their presence or absence helps identify whether those pathways are functioning normally.
The following parameters are included in this test:
| Parameter | What It May Indicate |
|---|---|
| Heptanoylglycine | Possible fatty acid oxidation defects |
| Hexanoylglycine | Associated with MCAD deficiency (a fat breakdown disorder) |
| Suberylglycine | Diagnostic marker for MCAD deficiency |
| Isovalerylglycine | Elevated in isovaleric acidaemia (a leucine breakdown disorder) |
| Phenylpropionylglycine | Associated with MCAD deficiency |
| Tiglylglycine | Reflects branched-chain amino acid metabolism defects |
| 3-Methylcrotonylglycine | Elevated in 3-methylcrotonyl-CoA carboxylase deficiency |
| Isobutyrylglycine | Reflects branched-chain amino acid metabolism defects |
| 4-OH Butyrate | Marker for succinic semialdehyde dehydrogenase deficiency (a neurological disorder) |
| Orotic Acid | Elevated in urea cycle disorders, including OTC deficiency |
| Succinylacetone | Strongly associated with tyrosinaemia type I (a liver disorder) |
| Succinylacetoacetate | Found in hereditary tyrosinaemia type I |
| 3-OH Glutarate | Elevated in glutaric aciduria type I (a neurometabolic disorder) |
| Mevalonolactone | Elevated in mevalonic aciduria |
| 3,6-Epoxytetradecanedioate | Potentially related to peroxisomal disorders (affecting cellular waste processing) |
Why Is an Organic Acid Qualitative, Spot Urine Test Done?
This test is ordered when a doctor suspects an inherited metabolic disorder, particularly in infants and young children presenting with unexplained illness or developmental concerns.
Common Symptoms That May Require This Test
A doctor may recommend the organic acid qualitative, spot urine test when a patient presents with any of the following symptoms:
- Poor feeding, particularly in newborns and infants
- Seizures without a clear cause
- Lethargy or an abnormally low level of alertness
- Vomiting and failure to gain weight or grow (failure to thrive)
- Low muscle tone (hypotonia) or poor coordination (ataxia)
- Unexplained developmental delay
- Unusual body odour
Conditions This Test Can Help Detect
This test can help identify a range of inherited metabolic disorders, including:
- Methylmalonic aciduria and propionic aciduria
- Isovaleric aciduria and mevalonic aciduria
- Canavan disease and 3-methylcrotonyl-CoA carboxylase deficiency
- Tyrosinaemia type I (detected via succinylacetone)
- MCAD deficiency (medium-chain acyl-CoA dehydrogenase deficiency)
- Urea cycle disorders including ornithine transcarbamylase (OTC) deficiency, citrullinaemia, and argininosuccinic aciduria
- Glutaric aciduria types I and II
Organic Acid Qualitative, Spot Urine Test for Chronic Disease Monitoring
For patients already diagnosed with organic acidurias, this test may be repeated periodically. It helps assess treatment response, monitor dietary compliance, and track disease status over time. Urine succinylacetone measurement, included in this panel, is also used to monitor the effectiveness of treatment for tyrosinaemia type I.
How to Prepare and What to Expect
Preparation for the organic acid qualitative, spot urine test is straightforward, but a few steps help ensure accurate results.
Do You Need to Fast?
No fasting is required before this test. Ideally, the urine sample should be collected during or close to an episode of acute illness, as metabolite levels are typically highest at that time. Always follow any specific instructions provided by your doctor or laboratory.
Practical Tips Before Your Test
Please keep the following in mind before your sample is collected:
- Bring a detailed clinical history including your (or your child's) symptoms, previous test results, dietary information, and family history, as this is required for the test
- Avoid consuming apples, grapes, raisins, pears, cranberries, or their juices for two days before the test, as these can affect results
- Inform the doctor about all current medications, supplements, and any special diet such as total parenteral nutrition (TPN)
- Try to collect the sample when the patient is unwell rather than during a symptom-free period
- Avoid providing a very dilute urine sample where possible
Step-by-Step Procedure
The organic acid qualitative test procedure involves the following steps:
- Wash your hands thoroughly with soap and water before starting.
- Open the sterile, screw-capped container provided by the laboratory without touching the inside.
- Begin urinating, then collect a midstream portion of the urine stream directly into the container. Midstream collection means you pass a little urine first, then collect the rest. For infants, a sterile urine collection bag may be attached to gather the sample.
- Aim to collect at least 5 ml of urine, or as instructed by the laboratory.
- Close the container tightly and hand the sealed sample to the collection technician or store it in the refrigerator (2°C to 8°C) as instructed.
- The sample is dispatched to the laboratory, where it is analysed by GC-MS (gas chromatography-mass spectrometry).
Factors That Can Affect Accuracy
Several factors may influence the reliability of the organic acid qualitative, spot urine test:
- Collecting urine when the patient is asymptomatic, which may yield false-negative results
- Very dilute urine samples
- Recent use of antibiotics or dietary supplements
- High intake of certain fruits (apples, grapes, pears, cranberries) before collection
- The anabolic or catabolic state of the patient at the time of sample collection
Understanding Your Organic Acid Qualitative, Spot Urine Test Results
Results from this test are reported qualitatively. A doctor, typically a metabolic specialist or clinical geneticist, will interpret findings in the context of the patient's full clinical picture. The table below shows a general interpretation of test results:
| Parameter | Normal Result |
|---|---|
| All analytes (Heptanoylglycine, Hexanoylglycine, Suberylglycine, Isovalerylglycine, Phenylpropionylglycine, Tiglylglycine, 3-Methylcrotonylglycine, Isobutyrylglycine, 4-OH Butyrate, Orotic Acid, Succinylacetone, Succinylacetoacetate, 3-OH Glutarate, Mevalonolactone, 3,6-Epoxytetradecanedioate) | Not detected / Negative |
Disclaimer: These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
The timing of sample collection can significantly affect results. When the patient is well or asymptomatic, some markers may not be detectable even in the presence of an underlying disorder. Conversely, fever and acute metabolic illness tend to increase the concentration of diagnostic metabolites, improving detection. A normal result during an asymptomatic state does not fully exclude a metabolic disorder if clinical suspicion remains.
How to Maintain Healthy Levels
These are general wellness tips for individuals with a confirmed metabolic disorder. Always follow your doctor's specific guidance:
- Follow prescribed dietary restrictions, which often involve reduced protein intake for organic acid disorders.
- Avoid prolonged periods of fasting, particularly in disorders affecting fatty acid oxidation.
- Seek prompt medical attention during illness or periods of metabolic stress, as these can trigger rapid deterioration in some conditions.
Lupin Diagnostics Organic Acid Qualitative, Spot Urine Test Price and Home Collection
The organic acid qualitative test cost at Lupin Diagnostics starts at ₹3,900, and home sample collection is available. The table below shows indicative prices:
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 3900 |
| CHENNAI | 3900 |
| HYDERABAD | 3900 |
| KOLKATA | 3900 |
| NAVI MUMBAI | 3900 |
| PUNE | 3900 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps for organic acid qualitative test online booking:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
The organic acid qualitative test home collection service is available across cities, making it convenient for families with young children or unwell patients. All samples are processed in NABL-accredited Lupin Diagnostics laboratories under stringent quality standards. Digital reports are shared directly with you once ready.
Frequently Asked Questions
This test is a urine-based screening test used to detect abnormal metabolic by-products called organic acids. It screens for inherited metabolic disorders (inborn errors of metabolism) by identifying specific markers in a spot urine sample. Early detection can help enable timely management and reduce the risk of complications.
This test is primarily recommended for newborns with abnormal newborn screening results, infants with unexplained illness, and children with developmental delays or repeated episodes of metabolic illness. A paediatrician or metabolic specialist will advise whether the test is needed.
A random (spot) urine sample is collected in a sterile container. For infants, a paediatric urine collection bag may be used. The sample may be applied to filter paper, dried, and sent to the laboratory. No specific time of day is required, but collecting during acute illness improves detection.
Results are typically available within 5 days at Lupin Diagnostics. The report is delivered directly via email or WhatsApp.
A detected result means that one or more organic acid markers were found at abnormal levels. This does not confirm a diagnosis on its own. A metabolic specialist or geneticist will review the pattern of results alongside clinical information and may recommend further confirmatory testing such as enzyme assays or molecular analysis.
Yes. Certain foods (such as apples, grapes, and pears), dietary supplements, and antibiotics can alter organic acid levels in urine. It is important to inform your doctor about all medications and dietary habits before sample collection to ensure results are interpreted accurately.
Organic Acid Qualitative, Spot Urine Test
