Fatty Acid Profile, Peroxisomal (C22-C26)

General Information

Lab Name

Peroxisomal Panel

Lab Code

RPOXP

Epic Name

Peroxisomal Panel

Description

Patient drawn after an overnight 12-14 hour fast. Patient must not consume alcohol for 24 hours prior to blood collection.

Synonyms

Fatty Acids, Phytanic Acid, Refsum Disease, Very Long Chain Fatty Acids, VLCFA

Components

Code	Name
RC22	Peroxisomal: C22:0
RC24	Peroxisomal: C24:0
RC26	Peroxisomal: C26:0
RC2422	Peroxisomal: C24:0/C22:0 Ratio
RC2622	Peroxisomal: C26:0/C22:0 Ratio
RPRIS	Peroxisomal: Pristanic Acid
RPHYT	Peroxisomal: Phytanic Acid
RPRPHR	Pristanic/Phytanic Acid Ratio
RPOXC	Peroxisomal Panel Comment

Method: Gas Chromatography-Mass Spectrometry (GC-MS) Stable Isotope Dilution Analysis
Reference Range: See individual components

Specimen Type: Blood
Collection: Preferred: 3 mL blood in RED TOP tube
Also acceptable: GOLD SST tube.
Draw after an overnight 12-14 hour fast. Patient must not consume alcohol for 24 hours prior to blood collection.
Quantity: Requested: 0.5 mL serum
Minimum: 0.2 mL serum

Receiving Instructions: Freeze serum in plastic vial at -20°C

Sendouts, Order MAYO Test code POX. Include Patient's age and sex on Mayo request form.
Stability: Frozen (preferred): 92 days; Refrigerated: 15 days

Lab Department

Sendouts Mayo Lab (FZ)(MAFZ)

Frequency

Available STAT?

Performing Location(s)

HMC	Sendout
UW-MT	Sendout

Other Locations/Notes

MAYO Mayo Medical Laboratories 200 1st ST SW, Rochester, MN 55901

1-800-533-1710