LOINCActive

LOINC Code 33998-6: Tooth size discrepancy Dentition Estimated Bolton analysis

33998-6 is a LOINC code used to identify Tooth size discrepancy Dentition Estimated Bolton analysis 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 Tooth size discrepancy. It is commonly used with the system or sample type Dentition.

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 Tooth size discrepancy. It is commonly used with the system or sample type Dentition.

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: Estimated.Bolton analysis

What it does not mean

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

Key facts

Tooth size discrepancy Dentition Estimated Bolton analysis
Tooth size discrepancy
A "yes" here indicates that there appears to be a Bolton Tooth Size Discrepancy (BTSD)a discrepancy in tooth mass between the maxillary and mandibular teeth.
Bolton est; Dental; Dentistry; Est; estimation; Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen

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

Tooth size discrepancy Dentition Estimated Bolton analysisSize discr Dentition Bolton estTooth size discrepancyDENTALFindPtDentition

Frequently asked questions

Code details

Code33998-6
SystemLOINC
Display nameTooth size discrepancy Dentition Estimated Bolton analysis
DescriptionTooth size discrepancy
Short nameSize discr Dentition Bolton est
ComponentTooth size discrepancy
PropertyFind
TimingPt
System (specimen)Dentition
ScaleOrd
MethodEstimated.Bolton analysis
ClassDENTAL
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.34

Part names

Tooth size discrepancyFindPtDentitionOrdEstimated.Bolton analysisFindingPoint in time (spot)Estimated Bolton analysis

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.