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 16615-7: Cholesterol.total/Cholesterol in LDL [Mass ratio]

Name: LOINC Code 16615-7: Cholesterol.total/Cholesterol in LDL [Mass ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

16615-7 is a LOINC code used to identify Cholesterol.total/Cholesterol in LDL [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 LDL. 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 LDL. 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.total/Cholesterol in LDL [Mass Ratio] in Serum or Plasma
Cholesterol.total/Cholesterol.in LDL
Cardio; Cardiology; Chemistry; Chol; Choles; Cholest; Cholesterol total; Cholesterols; Heart Disease; LDLc; LDL-C; Lipid; Low density lipoprotein cholesterol; Low density lipoprotein cholesterols; 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; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Cholesterol.total/Cholesterol in LDL [Mass ratio] (16615-7)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Cholesterol.total/Cholesterol in LDL [Mass ratio]Cholesterol.total/Cholesterol in LDL [Mass Ratio] in Serum or PlasmaCholest/LDLc SerPlCholesterol.total/Cholesterol.in LDLCHEMTotal cholesterol/LDL Cholesterol, BloodMRto

Frequently asked questions

Code details

Code16615-7

SystemLOINC

Display nameCholesterol.total/Cholesterol in LDL [Mass ratio]

DescriptionCholesterol.total/Cholesterol.in LDL

Short nameCholest/LDLc SerPl

ComponentCholesterol.total/Cholesterol.in LDL

PropertyMRto

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.42

Consumer names

Total cholesterol/LDL Cholesterol, Blood

Part names

Cholesterol.total/Cholesterol.in LDLMRtoPtSer/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.