LOINCActiveObservation

LOINC Code 20228-3: Anatomic part Laterality

20228-3 is a LOINC code used to identify Anatomic part Laterality 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 Laterality. It is commonly used with the system or sample type Anatomic part.*.

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 Laterality. It is commonly used with the system or sample type Anatomic part.*.

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

  • Anatomic part Laterality
  • Laterality
  • Directional terms for body location that describes the position of structures relative to the body midline.
  • CARD.US; Cardio; Cardiology; Heart Disease; Nominal; Point in time; Random; Typ; Ultrasound

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

Anatomic part LateralityLateralityCARD.USTypePtAnatomic part.*Nom

Frequently asked questions

Code details

Code20228-3
SystemLOINC
Display nameAnatomic part Laterality
DescriptionLaterality
Short nameAnatomic part Laterality
ComponentLaterality
PropertyType
TimingPt
System (specimen)Anatomic part.*
ScaleNom
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.81

Part names

LateralityTypePtAnatomic part.*NomPoint in time (spot)Anatomic part

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 20228-3 | HealthAssure