LOINC

LOINC Code 62680-4: Deprecated PhenX measure - color vision

62680-4 is a LOINC code used to identify Deprecated PhenX measure - color vision 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 PhenX measure - color vision. 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 PhenX measure - color vision. 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: DEPRECATED
  • Method: PhenX

What it does not mean

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

Key facts

  • Deprecated PhenX measure - color vision
  • PhenX measure - color vision
  • A screening test to determine color blindness. Color blindness is a common inherited disorder. Eight to 10 percent of all males are color blind, as well as approximately one-half of 1 percent of all females (Neitz, Summerfelt, and Neitz, 2001).
  • Appearance; Colour; Pan; Panel; PANEL.PHENX; Panl; Pnl; 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

Deprecated PhenX measure - color visionPhenX measure - color visionPANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code62680-4
SystemLOINC
Display nameDeprecated PhenX measure - color vision
DescriptionPhenX measure - color vision
ComponentPhenX measure - color vision
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.46

Part names

PhenX measure - color vision-Pt^PatientPhenXPoint 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 62680-4 | HealthAssure