LOINCActiveObservation

LOINC Code 98740-4: Type of Phoria exam method

98740-4 is a LOINC code used to identify Type of Phoria exam method 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 Phoria exam method. It is commonly used with the system or sample type Eye.

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 Phoria exam method. It is commonly used with the system or sample type Eye.

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

  • Type of Phoria exam method
  • Phoria exam method
  • EYE.PX; Eyeball; Meth; Method of; Nominal; Occular; Oculis; Ophthalmologic; Optic globe; Point in time; Random; Typ; Vision; Visual

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

Type of Phoria exam methodPhoria exam methodEYE.PXTypePtEyeNom

Frequently asked questions

Code details

Code98740-4
SystemLOINC
Display nameType of Phoria exam method
DescriptionPhoria exam method
Short nameType of Phoria exam method
ComponentPhoria exam method
PropertyType
TimingPt
System (specimen)Eye
ScaleNom
ClassEYE.PX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Part names

Phoria exam methodTypePtEyeNomPoint 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 98740-4 | HealthAssure