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LOINC Code 30196-0: Fatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) [Molar ratio]

30196-0 is a LOINC code used to identify Fatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) [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.very long chain.C24:0/C22:0. 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.very long chain.C24:0/C22:0. 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

Fatty acids.very long chain C240 (Tetracosanoate)/C22:0 (Docosanoate) [Molar ratio] in Serum or Plasma
Fatty acids.very long chain.C240/C22:0
Acd; Acid; Aliphatic carboxylate; C240; Chains; Chemistry; Chn; Fatty acid; Lignocerate; Lignoceric acid; 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; Tetracosanoate; Tetracosanoic acid; VLC; VLCF; VLCFA; VLCFA C24:0; VLCFA C24:0/C22:0

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

Fatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) [Molar ratio]Fatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) [Molar ratio] in Serum or PlasmaVLCFA C24:0/C22:0 SerPl-sRtoFatty acids.very long chain.C24:0/C22:0CHEMFatty Acids.very Long Chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate), BloodSRto

Frequently asked questions

Code details

Code30196-0
SystemLOINC
Display nameFatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) [Molar ratio]
DescriptionFatty acids.very long chain.C24:0/C22:0
Short nameVLCFA C24:0/C22:0 SerPl-sRto
ComponentFatty acids.very long chain.C24:0/C22:0
PropertySRto
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsratio
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.73

Consumer names

Fatty Acids.very Long Chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate), Blood

Part names

Fatty acids.very long chain.C24:0/C22:0SRtoPtSer/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.