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Test Code VMA Vanilmandelic acid

Clinical System Name

Vanilmandelic acid

Synonyms

VMA

Description

This test is used to screen children for catecholamine-secreting tumors and to support a diagnosis of neuroblastoma.

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST, Red, Dark Green/Sodium Heparin, Lavendar/EDTA

Preferred Vol: 2 mL

Minimum Vol: 2 mL

 

Note: Microtainers are not acceptable.

 

Processing Instructions

Reject due to: Microtainer

Spin: Y

Aliquot: Y

Temp: - 20 C

Storage location: CPA Freezer, Fz3 rack. Store the label with the specimen.

 

Off-site collection: Spin blood,send serum/plasma frozen.

Stability

Specimen Type Temperature Time
serum/plasma Room temp 24 h
  Refrigerated 1 m
  Frozen 2 y

 

Availability

STAT Performed TAT
N W 3 - 10 d

 

Contact Chemistry Lab for request outside of stated availability. (206) 987-2565

Performing Laboratory

Seattle Children's Laboratory    

 

Department

Department:  Chemistry

Location: Chem West

Phone Number: (206) 987-2617

 

 

 

Reference Range

 

VMA </= 20 ng/mL

 

Methodology

Method: LC/MS/MS

Analytical Volume: 0.5 mL serum/plasma

Limitations:

CPT Codes

84585