LOINCActiveBoth

LOINC Code 9830-1: Cholesterol.total/Cholesterol in HDL [Mass ratio]

9830-1 is a LOINC code used to identify Cholesterol.total/Cholesterol in HDL [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 Cholesterol.total/Cholesterol.in HDL. 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.total/Cholesterol.in HDL. 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: Both

What it does not mean

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

Key facts

  • Cholesterol.total/Cholesterol in HDL [Mass Ratio] in Serum or Plasma
  • Cholesterol.total/Cholesterol.in HDL
  • Cardio; Cardiology; Chemistry; Chol; Choles; Cholest; Cholesterol total; Cholesterols; HDLc; HDL-C; Heart Disease; High density lipoprotein cholesterols; Lipid; Mass concentration ratio; Mass ratio; MCRto; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; TC; TCHHDL; Tot; Totl

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.total/Cholesterol in HDL [Mass ratio]Cholesterol.total/Cholesterol in HDL [Mass Ratio] in Serum or PlasmaCholest/HDLc SerPlCholesterol.total/Cholesterol.in HDLCHEMTotal cholesterol/HDL Cholesterol, BloodMRto

Frequently asked questions

Code details

Code9830-1
SystemLOINC
Display nameCholesterol.total/Cholesterol in HDL [Mass ratio]
DescriptionCholesterol.total/Cholesterol.in HDL
Short nameCholest/HDLc SerPl
ComponentCholesterol.total/Cholesterol.in HDL
PropertyMRto
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsratio
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.73

Consumer names

Total cholesterol/HDL Cholesterol, Blood

Part names

Cholesterol.total/Cholesterol.in HDLMRtoPtSer/PlasQnMass 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.