Lab Test Dictionary

Omega-3 and -6 Fatty Acids (91001)

Methodology

Chromatography/Mass Spectrometry

Synonyms

Polyunsaturated Fatty Acids (PUFAs); EPA; Omega-3 Index; Omega-6/omega-3 Ratio; Phospholipid Omega-3 Fatty Acid; Arachidonic Acid/EPA Ratio; DHA; Arachidonic Acid (AA); Phospholipid Omega-6 Fatty Acid

Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID

Other Reference Test

Lab Test Days

Monday-Saturday

Standard TAT

2-3 Days

Collection Information

Specimen Required

1.5-4 mL Blood

Container Type

Lavender (EDTA)

Collection Instructions

Serum collected in a (red-top) tube is also acceptable. Overnight fasting is required.

Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp=7 Days; Refrigerated=14 Days; Frozen=35 Days

Rejection Criteria

Gross hemolysis; Lipemia; Grossly icteric; Plasma not collected in EDTA tubes; Serum separator tubes (SST)

Test Volume Required

2 mL Serum or Plasma

Minimum Test Volume

0.6 mL Serum or Plasma

CPT Codes

82542

Revised

05-01-20