LOINC Code 98801-4: Eye Horizontal aniseikonia by Phoropter

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 Horizontal aniseikonia. It is commonly used with the system or sample type Eye.

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: Observation
• Method: Phoropter

What it does not mean

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

Key facts

• Eye Horizontal aniseikonia by Phoropter
• Horizontal aniseikonia
• Aniseikonia is a condition in which one eye perceives an image to be larger compared to the other eye and can occur in a horizontal or vertical direction. The difference in size is reported as a percent, e.g., 3.5% or 7%.
• by Phoropter; EYE.REFRACTION; Eyeball; Hor aniseikonia; Occular; Oculis; Ophthalmologic; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; Random; Vision; Visual

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