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Specimen Collection Manual and Test Catalog

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VERY LONG CHAIN FATTY ACIDS

Geisinger Epic Procedure Code:  LAB3251    Geisinger Epic ID:  20282

SPECIMEN COLLECTION
Specimen type: 

Serum or EDTA plasma


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
6 mL pink-top K2 EDTA tube
Specimen required: 

1 mL aliquot of serum or EDTA plasma; minimum 0.2 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.


Special notes: 

Draw blood in plain red-top (nonserum separator), pink or lavender K2 EDTA tubes. Serum separator tubes are NOT acceptable. Please specify on the request form the patient's age (required for processing). Include information about treatment, family history, and tentative diagnosis.


Patient preparation: 

Overnight fasting (12-14 hours) required. Patient must not consume any alcohol for 24 hours before specimen collection. Pediatric patients only: fasting not required, but collection should occur prior to meal or feeding.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge serum or plasma 10 minutes at 3000 rpm. Aliquot to freeze.


Transport temperature: 

Frozen.


Specimen stability: 

Room Temperature: Unacceptable. Refrigerated: 7 days. Frozen: 28 days.


Rejection criteria: 

Gross hemolysis. Lipemia. Icteric samples. Collection in Serum Separator Tube (SST®). Received room temperature.



TEST DETAILS
CPT code(s):  82726
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Fatty Acid Profile, Peroxisomal


Methodology: 
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms: 

FATVL, Peroxisomal Panel, Very long fatty acids, Quest test code 90559


Review Date:  11/13/2024

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