LOINC

LOINC Code 64806-3: What year did your sunlight exposure change [PhenX]

64806-3 is a LOINC code used to identify What year did your sunlight exposure change [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 What Y did your sunlight exposure change. 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 What Y did your sunlight exposure change. 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

  • What year did your sunlight exposure change [PhenX]
  • What Y did your sunlight exposure change
  • Exchange; Exp; Point in time; QNT; Quan; Quant; Quantitative; Random; Replace; Y sunlight exposure chng

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

What year did your sunlight exposure change [PhenX]Y sunlight exposure chng PhenXWhat Y did your sunlight exposure changePHENXDatePt^Patient

Frequently asked questions

Code details

Code64806-3
SystemLOINC
Display nameWhat year did your sunlight exposure change [PhenX]
DescriptionWhat Y did your sunlight exposure change
Short nameY sunlight exposure chng PhenX
ComponentWhat Y did your sunlight exposure change
PropertyDate
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
Example unitsYYYY
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

What Y did your sunlight exposure changeDatePt^PatientQnPhenXWhat year did your sunlight exposure changePoint 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.

LOINC Code 64806-3 | HealthAssure