Vanilmandelic Acid, Serum/Plasma (Sendout)

General Information

Lab Name
Lab Code
331
External Test Id
LAB3536
Description

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

Synonyms
LAB3536, Vanilmandelic Acid, VMA
Components

Interpretation

Method

LC/MS/MS

Reference Range
Ref. Range Notes
Reference Range: <= 20 ng/mL
Interferences and Limitations

The level of VMA is analyzed by LC/MS/MS. Results obtained from different labs or different sample types cannot be used interchangeably.

Ordering & Collection

Specimen Type
Blood
Collection

6 mL blood in RED TOP tube

  • Also Accepted: GOLD SST, GREEN (Na Heparin), or LAVENDER (EDTA)
Handling Instructions

Outside Laboratories: Centrifuge sample and transfer serum/plasma to a separate plastic vial. Freeze at -20°C. Transport samples on dry ice.

Stability: Frozen (preferred): 2 years; Refrigerated: 1 month; Ambient: 24 hours.

Quantity
Requested: 2 mL serum or plasma
Minimum: 2 mL serum or plasma (Note: Microtainers are acceptable if a minimum of 0.6 mL of serum/plasma is available for testing.)

Processing

Receiving Instructions

Centrifuge sample and transfer serum/plasma to a separate plastic vial. Freeze at -20°C.

Login: SEND1-;FREEZE

  • RSNDT1: SEACHL
  • RSTYP1: <Enter correct specimen type from table below>
  • RTSRQ1: ;Vanilmandelic Acid, Serum/Plasma (SEACHL Test LAB3536)

Specimen Type Codes:

ETC Translation
PLS Plasma
SRM Serum

Sendouts:

  • Order SEACHL Test: LAB3536
  • Send samples on dry ice via DLMP or Delivery Express courier.

Stability: Frozen (preferred): 2 years; Refrigerated: 1 month; Ambient: 24 hours.

Misc Sendout

Performance

Lab Department
Frequency
Performed: Tuesday. Turnaround Time: 3-10 days from sample receipt at Seattle Children's Hospital Lab.
Available STAT?
No
Performing Location(s)
Sendout Seattle Children's Hospital Laboratories
206-987-2617

4800 Sand Point Way NE
Seattle, WA 98105

Room Number: FB.2.441

Billing & Coding

Billing Comments

CPT: 84585