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 64784-2: During the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [PhenX]

Name: LOINC Code 64784-2: During the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:44.549Z

64784-2 is a LOINC code used to identify During the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [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 During the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeing. 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 During the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeing. 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

During the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [PhenX]
During the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeing
1 year; 12Mos; Child difficulty seeing 12Mo; Finding; Findings; Last; Ordinal; Ql; Qual; Qualitative; 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

During the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [PhenX]Child difficulty seeing 12Mo PhenXDuring the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeingPHENXFind12Mo^Patient

Frequently asked questions

Code details

Code64784-2

SystemLOINC

Display nameDuring the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeing [PhenX]

DescriptionDuring the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeing

Short nameChild difficulty seeing 12Mo PhenX

ComponentDuring the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeing

PropertyFind

Timing12Mo

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

During the past 12Mo, if child less than 12Mo, the childs age in Mos, has your child appeared to have any difficulty seeingFind12Mo^PatientOrdPhenXDuring the past 12 months, if child less than 12 months, the childs age in Mos, has your child appeared to have any difficulty seeingFinding12 months

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.