What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 90871-5: History of Medical conditions impacting orthodontic condition

Name: LOINC Code 90871-5: History of Medical conditions impacting orthodontic condition
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:20.875Z

90871-5 is a LOINC code used to identify History of Medical conditions impacting orthodontic condition 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 Medical conditions impacting orthodontic condition. 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 Medical conditions impacting orthodontic condition. 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

History of Medical conditions impacting orthodontic condition
Medical conditions impacting orthodontic condition
Any medical conditions the patient has related to their orthodontic conditions that may impact facial growth and orthodontic tooth movement.
Dental; Dentistry; History; Med cond impact orthodontic cond; 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

History of Medical conditions impacting orthodontic conditionHx of Med cond impact orthodontic condMedical conditions impacting orthodontic conditionDENTALHxPt^Patient

Frequently asked questions

Code details

Code90871-5

SystemLOINC

Display nameHistory of Medical conditions impacting orthodontic condition

DescriptionMedical conditions impacting orthodontic condition

Short nameHx of Med cond impact orthodontic cond

ComponentMedical conditions impacting orthodontic condition

PropertyHx

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

Medical conditions impacting orthodontic conditionHxPt^PatientNomHistoryPoint 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.