LOINC Code 70268-8: Cholesterol in pleural fluid/Cholesterol in serum (S/P+Pleur fld) [Relative ratio]

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.plr fld/Cholesterol.serum. It is commonly used with the system or sample type Ser/Plas+Plr fld.

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 pleural fluid/Cholesterol in serum
• Cholesterol.plr fld/Cholesterol.serum
• Pleural fluid to serum cholesterol ratio is determined to help diagnose the cause of pleuritis, pleural effusion, or possible malignancy (exudate vs. transudate conditions).
• Chemistry; Chol; Chol Plr; Choles; Cholest; Cholesterol total; Cholesterols; Lipid; Lung; Pl; Plasma; Pleural; Pleural fluid; Plsm; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Respiratory; Ser; SerP; SerPl; SerPl+Plr; SerPlas; Serum; Serum or plasma; SR; thoracentesis fluid

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

Frequently asked questions