LOINC Code 66541-4: Do you have any blood relatives with any type of autoimmune disease [PhenX]

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 Do you have any blood relatives with any type of autoimmune disease. It is commonly used with the system or sample type ^Patient.

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: TRIAL
• Method: PhenX

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Do you have any blood relatives with any type of autoimmune disease [PhenX]
• Do you have any blood relatives with any type of autoimmune disease
• Explanation (for each type of relative, please give presumed diagnosis)
• Autoimmune disease family hx; Dis; Diseases; Dz; Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen

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