LOINCActiveBoth

LOINC Code 54341-3: Myristoleate (C14:1)/Creatinine (U) [Molar ratio]

54341-3 is a LOINC code used to identify Myristoleate (C14:1)/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 Myristoleate/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 Myristoleate/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

Myristoleate (C141)/Creatinine [Molar ratio] in Urine
Myristoleate/Creatinine
C141; Chemistry; cis-9-tetradecenoate; cis-9-tetradecenoic acid; CR; Crea; Creat; Myristoleic acid; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; UR; Urn

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

Myristoleate (C14:1)/Creatinine (U) [Molar ratio]Myristoleate (C14:1)/Creatinine [Molar ratio] in UrineMyristoleate/Creat Ur-sRtoMyristoleate/CreatinineCHEMMyristoleate (C14:1)/Creatinine, UrineSRto

Frequently asked questions

Code details

Code54341-3
SystemLOINC
Display nameMyristoleate (C14:1)/Creatinine (U) [Molar ratio]
DescriptionMyristoleate/Creatinine
Short nameMyristoleate/Creat Ur-sRto
ComponentMyristoleate/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

Myristoleate (C14:1)/Creatinine, Urine

Part names

Myristoleate/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.

LOINC Code 54341-3 | HealthAssure