LOINCActiveObservation

LOINC Code 50193-2: Cholesterol in LDL.narrow density [Mass/Vol]

50193-2 is a LOINC code used to identify Cholesterol in LDL.narrow density [Mass/Vol] 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 Cholesterol.in LDL.narrow density. 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 Cholesterol.in LDL.narrow density. 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

  • Cholesterol in LDL.narrow density [Mass/volume] in Serum or Plasma
  • Cholesterol.in LDL.narrow density
  • Cardio; Cardiology; Chemistry; Chol; Choles; Cholest; Cholesterol total; Cholesterols; Den; Heart Disease; LDLc; LDL-C; LDLc ND; Level; Lipid; Low density lipoprotein cholesterol; Low density lipoprotein cholesterols; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Cholesterol in LDL.narrow density [Mass/Vol]Cholesterol in LDL.narrow density [Mass/volume] in Serum or PlasmaLDLc ND SerPl-mCncCholesterol.in LDL.narrow densityCHEMCholesterol in LDL.narrow Density, BloodMCnc

Frequently asked questions

Code details

Code50193-2
SystemLOINC
Display nameCholesterol in LDL.narrow density [Mass/Vol]
DescriptionCholesterol.in LDL.narrow density
Short nameLDLc ND SerPl-mCnc
ComponentCholesterol.in LDL.narrow density
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsmg/dL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

Cholesterol in LDL.narrow Density, Blood

Part names

Cholesterol.in LDL.narrow densityMCncPtSer/PlasQnCholesterol in LDL.narrow densityMass ConcentrationPoint 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.

LOINC Code 50193-2 | HealthAssure