What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINC

LOINC Code 64789-1: Did he or she ever have an operation to straighten his or her eyes [PhenX]

Name: LOINC Code 64789-1: Did he or she ever have an operation to straighten his or her eyes [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:44.549Z

64789-1 is a LOINC code used to identify Did he or she ever have an operation to straighten his or her eyes [PhenX] 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 Did he or she ever have an operation to straighten his or her eyes. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Did he or she ever have an operation to straighten his or her eyes. 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

Did he or she ever have an operation to straighten his or her eyes [PhenX]
Did he or she ever have an operation to straighten his or her eyes
Finding; Findings; Operation straighten eyes ever; 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

Did he or she ever have an operation to straighten his or her eyes [PhenX]Operation straighten eyes ever PhenXDid he or she ever have an operation to straighten his or her eyesPHENXFindPt^Patient

Frequently asked questions

Code details

Code64789-1

SystemLOINC

Display nameDid he or she ever have an operation to straighten his or her eyes [PhenX]

DescriptionDid he or she ever have an operation to straighten his or her eyes

Short nameOperation straighten eyes ever PhenX

ComponentDid he or she ever have an operation to straighten his or her eyes

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodPhenX

ClassPHENX

StatusTRIAL

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

Did he or she ever have an operation to straighten his or her eyesFindPt^PatientOrdPhenXFindingPoint in time (spot)

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.