LOINCActiveObservation

LOINC Code 90856-6: Crossbite teeth [#]

90856-6 is a LOINC code used to identify Crossbite teeth [#] 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 Crossbite teeth. It is commonly used with the system or sample type Teeth and gum.

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 Crossbite teeth. It is commonly used with the system or sample type Teeth and gum.

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

Crossbite teeth [#]
Crossbite teeth
A reverse overjet or anterior crossbite is when the lower incisors are in front of the upper incisors.[NLM Catalog ID101578397] This relationship is counted at each tooth where a crossbite is observed from the posterior (or back) to the anterior (front) teeth.
Cnt; Count; Dental; Dentistry; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Teeth+gum

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

Crossbite teeth [#]Crossbite teethDENTALNumPtTeeth and gumQn

Frequently asked questions

Code details

Code90856-6
SystemLOINC
Display nameCrossbite teeth [#]
DescriptionCrossbite teeth
Short nameCrossbite teeth
ComponentCrossbite teeth
PropertyNum
TimingPt
System (specimen)Teeth and gum
ScaleQn
ClassDENTAL
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Crossbite teethNumPtTeeth and gumQnNumber (count)Point 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 90856-6 | HealthAssure