LOINCActiveObservation

LOINC Code 80312-2: Pupil shape [Shape] of Right pupil

80312-2 is a LOINC code used to identify Pupil shape [Shape] of Right pupil 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 Pupil shape. It is commonly used with the system or sample type Pupil.right.

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 Pupil shape. It is commonly used with the system or sample type Pupil.right.

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

  • Pupil shape [Shape] of Right pupil
  • Pupil shape
  • H+P; H+P.PX; Nominal; P prime; Point in time; R; R pupil; Random; RT

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

Pupil shape [Shape] of Right pupilPupil shape Shape R pupilPupil shapeH&P.PXShapePtPupil.right

Frequently asked questions

Code details

Code80312-2
SystemLOINC
Display namePupil shape [Shape] of Right pupil
DescriptionPupil shape
Short namePupil shape Shape R pupil
ComponentPupil shape
PropertyShape
TimingPt
System (specimen)Pupil.right
ScaleNom
ClassH&P.PX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.68

Part names

Pupil shapeShapePtPupil.rightNomPoint in time (spot)Right pupil

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 80312-2 | HealthAssure