Homogentisic Acid Urine
Overview of Homogentisic Acid Urine in Aluva
What is the Homogentisic Acid Urine Test?
The Homogentisic Acid (HGA) Urine Test measures HGA levels in urine to diagnose alkaptonuria, a rare metabolic disorder that affects the breakdown of tyrosine and phenylalanine.
Who should undergo this test?
This test is recommended for:
Infants with suspected metabolic disorders.
Individuals experiencing dark-colored urine, arthritis, or ochronosis (bluish-black pigmentation of connective tissues).
Those with a family history of alkaptonuria.
How is the test performed?
A random urine sample is collected and analyzed using gas chromatography-mass spectrometry (GC-MS) or high-performance liquid chromatography (HPLC) to detect homogentisic acid.
What do the results indicate?
High HGA levels: Confirms alkaptonuria, resulting from defective homogentisate 1,2-dioxygenase (HGD) enzyme activity.
Normal HGA levels: Rules out alkaptonuria but does not eliminate the possibility of other metabolic conditions.
Why is this test significant?
Early detection of alkaptonuria enables timely management, preventing complications such as ochronosis and degenerative arthritis.
Test included
- Sunlight Standing Test
- Alkali Test
- Ferric Chloride Test
- Silver Nitrate Test
- Benedict Test
Doctor information
Test code
0017LS
CPT and Loinc codes
Department
- Local Send Out
Turn around time
7 Working Days
Test run frequency
Every Day TIME - 09:00
Performing locations
2 labs across India
Specimen vol. and vacutainer information
| Specimen | Vacutainer | Volume |
|---|---|---|
| Urine | Blue Plastic Urine collecter | 25 ML |
Specimen stability information
Urine
Test price
₹1050
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₹1050