LOINC Code 4511-2: Complement total hemolytic CH50 Qn (Body fld)

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 Complement total hemolytic CH50. It is commonly used with the system or sample type Body 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

• Complement total hemolytic CH50 [Units/volume] in Body fluid
• Complement total hemolytic CH50
• Arbitrary concentration; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Comp; Complement CH50; Complmt; Fl; Fld; FLU; Fluid; HEMATOLOGY/CELL COUNTS; Point in time; QNT; Quan; Quant; Quantitative; Random; Tot; Total Hem Comp; 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

Frequently asked questions