LOINCActiveBoth

LOINC Code 70263-9: Cholesterol in pericardial fluid/Cholesterol in serum (Pericard fld+S/P) [Relative ratio]

70263-9 is a LOINC code used to identify Cholesterol in pericardial fluid/Cholesterol in serum (Pericard fld+S/P) [Relative 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.pericard fld/Cholesterol.serum. It is commonly used with the system or sample type Pericard fld+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.pericard fld/Cholesterol.serum. It is commonly used with the system or sample type Pericard fld+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 in pericardial fluid/Cholesterol in serum
  • Cholesterol.pericard fld/Cholesterol.serum
  • Pericardial fluid to serum cholesterol ratio is determined to aide in the diagnosis of cholesterol pericarditis, which is associated with chronic pericardial effusions containing cholesterol crystals and/or an elevated concentration of cholesterol.
  • Cardio; Cardiology; Chemistry; Chol; Chol Pcar; Choles; Cholest; Cholesterol total; Cholesterols; Heart Disease; Lipid; PCAR; Pericard fld+SerPl; Pericardial Fluid; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Ser; 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 pericardial fluid/Cholesterol in serum (Pericard fld+S/P) [Relative ratio]Cholesterol in pericardial fluid/Cholesterol in serumChol Pcar/SerCholesterol.pericard fld/Cholesterol.serumCHEMCholesterol in pericardial fluid/Serum Cholesterol, Pericardial Fluid+BloodRelRto

Frequently asked questions

Code details

Code70263-9
SystemLOINC
Display nameCholesterol in pericardial fluid/Cholesterol in serum (Pericard fld+S/P) [Relative ratio]
DescriptionCholesterol.pericard fld/Cholesterol.serum
Short nameChol Pcar/Ser
ComponentCholesterol.pericard fld/Cholesterol.serum
PropertyRelRto
TimingPt
System (specimen)Pericard fld+Ser/Plas
ScaleQn
ClassCHEM
Example unitsRatio
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.44

Consumer names

Cholesterol in pericardial fluid/Serum Cholesterol, Pericardial Fluid+Blood

Part names

Cholesterol.pericard fld/Cholesterol.serumRelRtoPtPericard fld+Ser/PlasQnRelative RatioPoint in time (spot)Pericardial fluid and 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.