LOINCActiveObservation

LOINC Code 95323-2: Lensmeter Prism measurement increment [Inverse Length]

95323-2 is a LOINC code used to identify Lensmeter Prism measurement increment [Inverse Length] 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 measurement increment. It is commonly used with the system or sample type Lensmeter.

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 measurement increment. It is commonly used with the system or sample type Lensmeter.

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

  • Lensmeter Prism measurement increment [Inverse Length]
  • Prism measurement increment
  • Prism measurement increment is the specificity to which a lensmeter can measure the prism, e.g., 0.06, 0.12, 0.25.
  • EYE; EYE.LENSOMETRY; Focimeter; Inverse Length; Lensometer; LM; Nominal; Ophthalmology; Ophtho; Ophthy; Point in time; Prism step; 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

Lensmeter Prism measurement increment [Inverse Length]LM Prism step InvLenPrism measurement incrementEYE.LENSOMETRYInvLenPtLensmeter

Frequently asked questions

Code details

Code95323-2
SystemLOINC
Display nameLensmeter Prism measurement increment [Inverse Length]
DescriptionPrism measurement increment
Short nameLM Prism step InvLen
ComponentPrism measurement increment
PropertyInvLen
TimingPt
System (specimen)Lensmeter
ScaleNom
ClassEYE.LENSOMETRY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.70

Part names

Prism measurement incrementInvLenPtLensmeterNomInverse LengthPoint 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 95323-2 | HealthAssure