LOINC Code 79723-3: Age at 2nd eye involvement in a patient with initial unilateral retinoblastoma

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 Age at 2nd eye involvement in a patient with initial unilateral retinoblastoma. 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: ACTIVE
• Order vs observation: Observation

What it does not mean

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

Key facts

• Age at 2nd eye involvement in a patient with initial unilateral retinoblastoma
• 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).
• Age 2nd eye in initial unilat RB; Eye; EYE.HX; EYE.HX.NEI; Ophthalmology; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; Random; Second

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