AA QT U

Amino Acid, Quantitative, Urine

EPIC Test Procedure Code: LAB3638

Synonyms:
AAPD
Performing Lab:
Referral Laboratory
Required Patient Info:

1. Patient's age is required. 

2. Include family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information. 

3. If prolidase deficiency is a concern, indicate on the amino acid order "Pretreat with acid hydrolysis prior to analysis". The acid hydrolysis will break up in vitro proline and hydroxyproline containing dipeptides, which are cleaved in vivo by prolidase.

Container Type:
Plastic urine container without preservative
Specimen Type:

Random urine collection

Preferred Volume:
2 mL
Minimum Volume:
1 mL
Collection Procedure:

Specimen must be frozen.

Specimen Processing:

To avoid delays in turn around time when requesting multiple
tests on frozen samples, submit separate frozen samples for each
test requested.

Store and Transport:
Frozen
Stability:

Frozen - 70 days
Refrigerated - 14 days

Unacceptable Condition:

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

CPT Codes:

82139 - Amnio Acid Profile Urine (EAP 30021408)

Test Schedule:
Monday through Friday
Turnaround Time:
4-6 Days
Method:
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Portions of this test are covered by patents held by Quest Diagnostics

Lab Personnel

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