LOINCActiveObservation

LOINC Code 90858-2: Open-spaced teeth [#]

90858-2 is a LOINC code used to identify Open-spaced 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 Open-spaced 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 Open-spaced 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

  • Open-spaced teeth [#]
  • Open-spaced teeth
  • The count of open-spaced teeth. Open spacing occurs when the crest of the interdental papilla or ridge is visible.
  • 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

Open-spaced teeth [#]Open-spaced teethDENTALNumPtTeeth and gumQn

Frequently asked questions

Code details

Code90858-2
SystemLOINC
Display nameOpen-spaced teeth [#]
DescriptionOpen-spaced teeth
Short nameOpen-spaced teeth
ComponentOpen-spaced 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

Open-spaced 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 90858-2 | HealthAssure