Item Value
Test name Homovanillic Acid, random urine
Available Stat? No
Turn around times Test run four days a week. Reports in two days.
Performed by Quest
Patient Preparation It is preferable for the patient to be off medications for three days prior to collection. However, common antihypertensives (diuretics, ACE inhibitors, calcium channel blockers, alpha and beta blockers) cause minimal or no interference. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection.
Normal range Homovanillic acid in random urine:
Birth-6 months 9.1-36 mg/g creatinine
7-11 months 11.2-33 mg/g creatinine
1-2 years 8.5-38 mg/g creatinine
3-8 years 2.1-23 mg/g creatinine
9-12 years 1.1-12 mg/g creatinine
≥ 18 year olds 1.4-5.3 mg/g creatinine


Creatinine in random urine:
Birth-6 months 0.02-0.32 g/L
7-11 months 0.02-0.36 g/L
1-2 years 0.02-1.28 g/L
3-8 years 0.2-1.49 g/L
9-12 years 0.02-1.83 g/L
≥ 18 year olds 0.27-3.00 g/L
Container type Urine cup
Amount to Collect See preferred volume
Sample type Random urine

If you have additional questions regarding this test, please call: 415-353-1667