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.

LOINCObservation

LOINC Code 96055-9: Corrective lens Prism base direction by Lensmeter

Name: LOINC Code 96055-9: Corrective lens Prism base direction by Lensmeter
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:27.590Z

96055-9 is a LOINC code used to identify Corrective lens Prism base direction by Lensmeter 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 Prism base direction. It is commonly used with the system or sample type Corrective lens.

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 Prism base direction. It is commonly used with the system or sample type Corrective lens.

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
Order vs observation: Observation
Method: Lensmeter

What it does not mean

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

Key facts

Corrective lens Prism base direction by Lensmeter
Prism base direction
by LM; Corr lens; EYE; EYE.LENSOMETRY; Focimeter; Lensometer; LM; Ophthalmology; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; 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

Corrective lens Prism base direction by LensmeterCorr lens Prism base dir by LMPrism base directionEYE.LENSOMETRYAnglePtCorrective lens

Frequently asked questions

Code details

Code96055-9

SystemLOINC

Display nameCorrective lens Prism base direction by Lensmeter

DescriptionPrism base direction

Short nameCorr lens Prism base dir by LM

ComponentPrism base direction

PropertyAngle

TimingPt

System (specimen)Corrective lens

ScaleQn

MethodLensmeter

ClassEYE.LENSOMETRY

Example unitsdeg

StatusTRIAL

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.69

Last changed2.69

Part names

Prism base directionAnglePtCorrective lensQnLensmeterPoint 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.