Home » Test Directory » 5-Hydroxyindoleacetic Acid (5-HIAA), Random Urine with Creatinine

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

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


5-HIAA, Random Urine
Less than 2 Years	Not established
2-10 Years	Less than or equal to 12.0 mg/g creat
Greater than 10 Years	Less than or equal to 10.0 mg/g creat
Creatinine, Random Urine
Less than or equal to 6 Months	2-28 mg/dL
7-11 Months	2-31 mg/dL
1-2 Years	2-110 mg/dL
3-8 Years	2-130 mg/dL
9-12 Years	2-160 mg/dL
Greater than 12 Years Male	20-320 mg/dL
Greater than 12 Years Female	20-275 mg/dL