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Hydroxymethoxymandelic Acid
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General
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Clinical Use:
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Used to help diagnose and monitor treatment of Neuroblastoma in children.
Urine HMMA / HVA testing is not performed on Adults. |
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Availability:
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Samples are tested Monday-Friday. |
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Aliases/Synonyms:
| HMMA, Homovanillic Acid, HVA, VMA, |
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Code:
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HVA/UCAT |
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Handling Instructions (to laboratory):
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If delay >30 minutes in delivery of sample to PathWest, sample must be collected at laboratory. |
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Hyperlink:
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Reference Interval:
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Age HMMA HVA
0d to <2m <10.0 20.0
2m to <9m <13.0 20.0
9m to <18m <11.0 17.0
18m to <3y <8.0 14.0
3y to <5y <6.0 12.0
5y to <8y <4.8 9.0
8y to <12y <4.2 7.0
12y to <16y <4.2 5.0
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Collection Requirements
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Container:
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Urine Container (URINE), |
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Sample Type:
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See container |
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Minimum Collection Volume:
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2mL |
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Collection Instructions:
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Morning spot urine sample preferred.
Sample must be acidified to pH <4.0 within 30 minutes of collection using a small amount of sulphamic acid. |
Processing Requirements
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Alternate Containers:
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Processing Instructions:
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Sample must be acidified to pH <4.0 within 30 minutes of collection using a small amount of sulphamic acid.
Aliquot sample into urine tube. |
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Minimum Assay Volume:
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1.5mL |
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Stability:
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4 weeks chilled |
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Transport Instructions (to testing laboratory):
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Send sample chilled. |
Testing Locations
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Performed at:
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Section
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Department
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Site
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Contact Phone
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| HPLC/LCMS |
Biochemistry |
Fiona Stanley Hospital |
6152 2396 |
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Last Updated : 08-10-2020 08:29 |