LOINC Code 56905-3: Bilirubin.direct (Pleur fld) [Mass/Vol]

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 Bilirubin.glucuronidated+Bilirubin.albumin bound. It is commonly used with the system or sample type 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

• Bilirubin.direct [Mass/volume] in Pleural fluid
• Bilirubin.glucuronidated+Bilirubin.albumin bound
• Alb; Associated; Bc; Bili; Bili.delta; Bili-alb; Bilirub Conj; Bilirub Delta; Bilirub Direct; Bilirubin conjugated; Bilirubin direct; Bilirubin glucuronides; Bilirubins; Billirubin; bnd; Chemistry; DELB; Delta bilirubin; Deltab; Level; Mass concentration; Pleural; Pleural fluid; Point in time; Protein.albumin; QNT; Quan; Quant; Quantitative; Random; TBIL; TBIL-(Bu+Bc); TBIL-Bu; 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