LOINCActive

LOINC Code 28809-2: Left glasses lens HSA N by Lensmeter

28809-2 is a LOINC code used to identify Left glasses lens HSA N 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 HSA N. It is commonly used with the system or sample type Glasses.lens.left.

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 HSA N. It is commonly used with the system or sample type Glasses.lens.left.

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
  • Method: Lensmeter

What it does not mean

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

Key facts

  • Left glasses lens HSA N by Lensmeter
  • HSA N
  • by LM; Cornea/bridge distance; EYE; EYE.GLASSES; Focimeter; L; L glasses; Length; Lensometer; LM; LT; 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

Left glasses lens HSA N by LensmeterL glasses HSA N by LMHSA NEYE.GLASSESLenPtGlasses.lens.left

Frequently asked questions

Code details

Code28809-2
SystemLOINC
Display nameLeft glasses lens HSA N by Lensmeter
DescriptionHSA N
Short nameL glasses HSA N by LM
ComponentHSA N
PropertyLen
TimingPt
System (specimen)Glasses.lens.left
ScaleQn
MethodLensmeter
ClassEYE.GLASSES
Example unitsmm
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.70

Part names

HSA NLenPtGlasses.lens.leftQnLensmeterLengthPoint in time (spot)Left glasses lens

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 28809-2 | HealthAssure