LOINCActiveBoth

LOINC Code 101800-1: Lysergate diethylamide/Creatinine Confirm (U) [Mass ratio]

101800-1 is a LOINC code used to identify Lysergate diethylamide/Creatinine Confirm (U) [Mass 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 Lysergate diethylamide/Creatinine. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Lysergate diethylamide/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
  • Method: Confirm

What it does not mean

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

Key facts

  • Lysergate diethylamide/Creatinine [Mass Ratio] in Urine by Confirmatory method
  • Lysergate diethylamide/Creatinine
  • Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; CR; Crea; Creat; DRUG/TOXICOLOGY; Drugs; GCMS; LC/MS/MS; LSD; Lysergic acid; Lysergic acid diethylamide; Mass concentration ratio; Mass ratio; MCRto; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Lysergate diethylamide/Creatinine Confirm (U) [Mass ratio]Lysergate diethylamide/Creatinine [Mass Ratio] in Urine by Confirmatory methodLSD/Creat Ur CfmLysergate diethylamide/CreatinineDRUG/TOXLysergate diethylamide/Creatinine, UrineMRto

Frequently asked questions

Code details

Code101800-1
SystemLOINC
Display nameLysergate diethylamide/Creatinine Confirm (U) [Mass ratio]
DescriptionLysergate diethylamide/Creatinine
Short nameLSD/Creat Ur Cfm
ComponentLysergate diethylamide/Creatinine
PropertyMRto
TimingPt
System (specimen)Urine
ScaleQn
MethodConfirm
ClassDRUG/TOX
Example unitsng/mg
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.75

Consumer names

Lysergate diethylamide/Creatinine, Urine

Part names

Lysergate diethylamide/CreatinineMRtoPtUrineQnConfirmMass 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 101800-1 | HealthAssure