LOINCActive

LOINC Code 33994-5: Reference tooth [Anatomy]

33994-5 is a LOINC code used to identify Reference tooth [Anatomy] 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 Reference tooth. It is commonly used with the system or sample type *.

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 Reference tooth. It is commonly used with the system or sample type *.

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

What it does not mean

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

Key facts

  • Reference tooth [Anatomy]
  • Reference tooth
  • A tooth used for developmental comparison.
  • Anatomy; Dental; Dentistry; Nominal; Point in time; Random; Ref tooth

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

Reference tooth [Anatomy]Ref toothReference toothDENTALAnatPt*

Frequently asked questions

Code details

Code33994-5
SystemLOINC
Display nameReference tooth [Anatomy]
DescriptionReference tooth
Short nameRef tooth
ComponentReference tooth
PropertyAnat
TimingPt
System (specimen)*
ScaleNom
ClassDENTAL
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.27

Part names

Reference toothAnatPt*NomAnatomyPoint 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 33994-5 | HealthAssure