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LOINC Code 54294-4: Fatty acids.very long chain C26:0 (Hexacosanoate)/Creatinine (U) [Molar ratio]

54294-4 is a LOINC code used to identify Fatty acids.very long chain C26:0 (Hexacosanoate)/Creatinine (U) [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.C26:0/Creatinine. It is commonly used with the system or sample type Urine.

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.C26:0/Creatinine. It is commonly used with the system or sample type Urine.

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: Both

What it does not mean

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

Key facts

Fatty acids.very long chain C260 (Hexacosanoate)/Creatinine [Molar ratio] in Urine
Fatty acids.very long chain.C260/Creatinine
Acd; Acid; Aliphatic carboxylate; C260; Cerotiate; Cerotic acid; Chains; Chemistry; Chn; CR; Crea; Creat; Fatty acid; Hexacosanoate; Hexacosanoic acid; Lipid; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; UR; Urn; VLC; VLCF; VLCFA; VLCFA C26:0

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 C26:0 (Hexacosanoate)/Creatinine (U) [Molar ratio]Fatty acids.very long chain C26:0 (Hexacosanoate)/Creatinine [Molar ratio] in UrineVLCFA C26:0/Creat Ur-sRtoFatty acids.very long chain.C26:0/CreatinineCHEMFatty Acids.very Long Chain C26:0 (Hexacosanoate)/Creatinine, UrineSRto

Frequently asked questions

Code details

Code54294-4
SystemLOINC
Display nameFatty acids.very long chain C26:0 (Hexacosanoate)/Creatinine (U) [Molar ratio]
DescriptionFatty acids.very long chain.C26:0/Creatinine
Short nameVLCFA C26:0/Creat Ur-sRto
ComponentFatty acids.very long chain.C26:0/Creatinine
PropertySRto
TimingPt
System (specimen)Urine
ScaleQn
ClassCHEM
Example unitsumol/mmol creatinine
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.27
Last changed2.70

Consumer names

Fatty Acids.very Long Chain C26:0 (Hexacosanoate)/Creatinine, Urine

Part names

Fatty acids.very long chain.C26:0/CreatinineSRtoPtUrineQnSubstance RatioPoint in time (spot)

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.