5-Hydroxyindoleacetic Acid (5-HIAA), Random Urine with Creatinine Q5HIRU

Method(s) High Performance Liquid Chromatography (HPLC), Electrochemical Detection
Synonym Carcinoid Screen, Serotonin 5-HIAA, 5-HIAA
Specimen Required
Collect

Random urine collection. Also acceptable: urine without preservative if pH is below 6 and the sample is shipped frozen.

Transport

10 mL urine with 6N HCI collected in a plastic screw-cap container. (Min: 5 mL)

* Collection Instructions *

  • After urine collection, add 6N HCI to maintain a pH below 3.
  • Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen.
  • Record patients age on test request form and urine vial.
Stability

Ambient: 7 days

Refrigerated: 30 days

Frozen: 30 days

Unacceptable Conditions

pH greater than 3.0 and received unfrozen

Schedule Tue-Sat
CPTCode 82570, 83497
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval
 
5-HIAA, Random Urine 
Less than 2 YearsNot established
2-10 YearsLess than or equal to 12.0 mg/g creat
Greater than 10 YearsLess than or equal to 10.0 mg/g creat
Creatinine, Random Urine 
Less than or equal to 6 Months2-28 mg/dL
7-11 Months2-31 mg/dL
1-2 Years2-110 mg/dL
3-8 Years2-130 mg/dL
9-12 Years2-160 mg/dL
Greater than 12 Years Male20-320 mg/dL
Greater than 12 Years Female20-275 mg/dL
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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