LOINC Code 79899-1: Left pupil Pupillary response
79899-1 is a LOINC code used to identify Left pupil Pupillary response in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Pupillary response. It is commonly used with the system or sample type Pupil.left.
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 Pupillary response. It is commonly used with the system or sample type Pupil.left.
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
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Left pupil Pupillary response
- Pupillary response
- This term was developed in collaboration with the National Institute of Health's National Eye Institute (NEI) as part of an effort to standardize the data elements collected by the National Ophthalmic Disease Genotyping and Phenotyping Network (eyeGENE).
- EYE; EYE.PX; EYE.PX.NEI; Finding; Findings; L; L pupil; LT; Nominal; Ophthalmology; Ophtho; Ophthy; Point in time; Random
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
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.