Laboratory Medicine

Test catalogue

Homovanillic Acid (HVA), Random Urine
Test Name Homovanillic Acid (HVA), Random Urine
Specimen Type / Requirements Container Type = Sterile Container Minimum Testing Volume = 5 mL Urine
Specimen Handling Collection Instructions: Collect random urine Sample in a sterile container. Please provide age, gender and clinical history to facilitate interpretation of analytical findings and recommendation of further testing or consultation. Write your initials, date and time of collection on the collection label or requisition. Laboratory Staff Instructions Aliquot 2 mL of urine from the random collection sample and adjust pH to 2 - 4 with Hydrochloric acid. Rejection Criteria: Leaking or unlabeled specimen. Stability: stable for 1 month refrigerated at 2-8°C and frozen for 90 days. Transportation: Send sample to core lab as soon as possible.
Required Documentation
Turnaround Time (TAT) 7 days (Batched)	Test Utilization
Reference Value ≤1 year - ≤20.0 umol/mmol creatinine 2 – 4 years - ≤14.0 umol/mmol creatinine 5 – 9 years - ≤9.0 umol/mmol creatinine 10 – 19 years - ≤8.0 umol/mmol creatinine ≥20 years - ≤6.0 umol/mmol creatinine
Test Code UHVA	Methodology LC-MS/MS
Testing Location SMH-Biochemistry	Other Information Last Updated: June 06, 2019

Homovanillic Acid (HVA), Random Urine

Test Name

Homovanillic Acid (HVA), Random Urine

Specimen Type / Requirements

Container Type = Sterile Container

Minimum Testing Volume = 5 mL Urine

Specimen Handling

Collection Instructions: Collect random urine Sample in a sterile container. Please provide age, gender and clinical history to facilitate interpretation of analytical findings and recommendation of further testing or consultation. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions Aliquot 2 mL of urine from the random collection sample and adjust pH to 2 - 4 with Hydrochloric acid.

Rejection Criteria: Leaking or unlabeled specimen.

Stability: stable for 1 month refrigerated at 2-8°C and frozen for 90 days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

7 days (Batched)

Test Utilization

Reference Value

≤1 year - ≤20.0 umol/mmol creatinine

2 – 4 years - ≤14.0 umol/mmol creatinine

5 – 9 years - ≤9.0 umol/mmol creatinine

10 – 19 years - ≤8.0 umol/mmol creatinine

≥20 years - ≤6.0 umol/mmol creatinine

Test Code

UHVA

Methodology

LC-MS/MS

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019