Alkaptonuria Urine Quantitative Test
Short Name: AKU Urine Quantitative Test
Also known as: Homogentisic Acid Quantitative Test, HGA Urine Test, AKU Urine Test
Alkaptonuria Urine Quantitative Test test available at DNA Labs India for ₹4,500. Uses Gas Chromatography/Mass Spectrometry on Random Urine samples. Results in Report available within 5 days from sample receipt. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SULOCHANA HEMCHANDRA HOLLA
Consultant Medical Geneticist · Reg: 8532
Last reviewed: September 7, 2026
Overview
To quantitatively measure homogentisic acid (HGA) in urine for the diagnosis and monitoring of alkaptonuria, a rare genetic disorder.
- Test Code
- 81
- Price
- ₹4,500
- Sample Type
- Random Urine
- Result Time
- Report available within 5 days from sample receipt
- Fasting Required
- No
- Method
- Gas Chromatography/Mass Spectrometry
Sample Collection
No special preparation is required. Inform your healthcare provider about any medications or supplements you are taking.
Method: Urine collection
Laboratory Analysis
Collect a random urine sample in a sterile screw-capped container without preservatives. Ensure the container is clean and dry.
Report Delivery
Ship the sample refrigerated or frozen to the laboratory as soon as possible to maintain stability.
Timeline: Report available within 5 days from sample receipt
Patient Instructions
About This Test
Who Should Get This Test
To quantitatively measure homogentisic acid (HGA) in urine for the diagnosis and monitoring of alkaptonuria, a rare genetic disorder.
How to Prepare
- Collect 15 mL of random urine (minimum 10 mL)
- Use a sterile screw-capped container without preservatives
- Label the container with patient details and date
- Ship refrigerated or frozen; avoid prolonged storage at room temperature
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"Early diagnosis of alkaptonuria through this urine test is vital for managing symptoms and preventing complications, especially in patients with a family history."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample collected in improper container
- Sample contaminated or hemolyzed
- Insufficient volume (<10 mL)
- Sample not refrigerated or frozen beyond stability period
Understanding Your Results
Elevated HGA levels
Suggestive of alkaptonuria; confirm with genetic testing or clinical evaluation
Normal or undetectable HGA
Alkaptonuria is unlikely; consider other causes for symptoms
Consult a healthcare provider if you experience symptoms like dark urine, joint pain, or skin discoloration, or if test results are abnormal. Genetic counseling may be recommended for familial cases.
Limitations
- ⚠This test is not a general screening tool; it is specific for alkaptonuria diagnosis
- ⚠Results may require confirmation with genetic testing or enzyme assays
- ⚠Does not differentiate between symptomatic and asymptomatic carriers
- ⚠Laboratory variability in reference ranges
Risks & Considerations
- ●No significant risks associated with urine collection; it is a non-invasive procedure
- ●Potential for minor discomfort during collection, but generally safe
Interfering Factors
- ●Diet high in phenylalanine or tyrosine may affect HGA levels
- ●Certain medications that alter metabolism
- ●Improper sample preservation (e.g., exposure to room temperature beyond stability period)
- ●Contamination during collection
Compare With Similar Tests
| Test | Alkaptonuria Urine Quantitative Test | HGD Gene Mutation Test | Homogentisic Acid Blood Test | Urine Organic Acids Test | Enzyme Assay for HGD |
|---|---|---|---|---|---|
| Comparison | Alkaptonuria Urine Quantitative Test |
Frequently Asked Questions
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