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LOINC Code 48382-6: Omega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio]

48382-6 is a LOINC code used to identify Omega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Fatty acids.omega 6/Fatty acids.omega 3. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Fatty acids.omega 6/Fatty acids.omega 3. It is commonly used with the system or sample type Ser/Plas.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Omega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio] in Serum or Plasma
  • Fatty acids.omega 6/Fatty acids.omega 3
  • Acd; Acid; Chemistry; Fatty acid; III; Lipid; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration ratio; Substance ratio; w3 FA; w6 FA

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Omega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio]Omega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio] in Serum or Plasmaw6 FA/w3 FA SerPl-sRtoFatty acids.omega 6/Fatty acids.omega 3CHEMOmega 6 fatty acids (w6)/Omega 3 Fatty Acids (w3), BloodSRto

Frequently asked questions

Code details

Code48382-6
SystemLOINC
Display nameOmega 6 fatty acids (w6)/Omega 3 fatty acids (w3) [Molar ratio]
DescriptionFatty acids.omega 6/Fatty acids.omega 3
Short namew6 FA/w3 FA SerPl-sRto
ComponentFatty acids.omega 6/Fatty acids.omega 3
PropertySRto
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.73

Consumer names

Omega 6 fatty acids (w6)/Omega 3 Fatty Acids (w3), Blood

Part names

Fatty acids.omega 6/Fatty acids.omega 3SRtoPtSer/PlasQnSubstance RatioPoint in time (spot)Serum or Plasma

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.