LOINCActiveObservation

LOINC Code 90866-5: Orthodontic preconditions

90866-5 is a LOINC code used to identify Orthodontic preconditions 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 Orthodontic preconditions. It is commonly used with the system or sample type ^Patient.

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 Orthodontic preconditions. It is commonly used with the system or sample type ^Patient.

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

  • Orthodontic preconditions
  • Conditions that exist prior to orthodontic treatment that may delay or deny the initiation of treatment.
  • Dental; Dentistry; Finding; Findings; Nominal; Point in time; 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

Orthodontic preconditionsDENTALFindPt^PatientNomFinding

Frequently asked questions

Code details

Code90866-5
SystemLOINC
Display nameOrthodontic preconditions
Short nameOrthodontic preconditions
ComponentOrthodontic preconditions
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
ClassDENTAL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Part names

Orthodontic preconditionsFindPt^PatientNomFindingPoint 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 90866-5 | HealthAssure