What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 48090-5: Cholesterol in HDL/Cholesterol in HDL+VLDL [Molar ratio]

Name: LOINC Code 48090-5: Cholesterol in HDL/Cholesterol in HDL+VLDL [Molar ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:32.262Z

48090-5 is a LOINC code used to identify Cholesterol in HDL/Cholesterol in HDL+VLDL [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 Cholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDL. It is commonly used with the system or sample type Ser/Plas.

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 Cholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDL. 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 HDL/Cholesterol in HDL+VLDL [Molar ratio] in Serum or Plasma
Cholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDL
Cardio; Cardiology; Chemistry; Chol; Choles; Cholest; Cholesterol total; Cholesterols; HDLc; HDL-C; HDLc+VLDLc; Heart Disease; High density lipoprotein cholesterols; 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; TCHHDL; Very low density lipoprotein cholesterols; VLDLc

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 HDL/Cholesterol in HDL+VLDL [Molar ratio]Cholesterol in HDL/Cholesterol in HDL+VLDL [Molar ratio] in Serum or PlasmaHDLc/HDLc+VLDLc SerPl-sRtoCholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDLCHEMHDL cholesterol/Cholesterol in HDL+VLDL, BloodSRto

Frequently asked questions

Code details

Code48090-5

SystemLOINC

Display nameCholesterol in HDL/Cholesterol in HDL+VLDL [Molar ratio]

DescriptionCholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDL

Short nameHDLc/HDLc+VLDLc SerPl-sRto

ComponentCholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDL

PropertySRto

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.42

Consumer names

HDL cholesterol/Cholesterol in HDL+VLDL, Blood

Part names

Cholesterol.in HDL/Cholesterol.in HDL+Cholesterol.in VLDLSRtoPtSer/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.