LOINCActiveObservation

LOINC Code 79908-0: Type of Visual acuity exam method

79908-0 is a LOINC code used to identify Type of Visual acuity 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 Visual acuity 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 Visual acuity 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 Visual acuity exam method
  • Visual acuity exam method
  • Eye; EYE.REFRACTION; Eyeball; Meth; Method of; Nominal; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; Random; Refraction; Typ; VA; 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 Visual acuity exam methodVisual acuity exam methodEYE.REFRACTIONTypePtEyeNom

Frequently asked questions

Code details

Code79908-0
SystemLOINC
Display nameType of Visual acuity exam method
DescriptionVisual acuity exam method
Short nameType of Visual acuity exam method
ComponentVisual acuity exam method
PropertyType
TimingPt
System (specimen)Eye
ScaleNom
ClassEYE.REFRACTION
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.72

Part names

Visual acuity 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 79908-0 | HealthAssure