LOINCObservation

LOINC Code 98421-1: Hearing loss type Ear - left

98421-1 is a LOINC code used to identify Hearing loss type Ear - left 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 Hearing loss type. It is commonly used with the system or sample type Ear.left.

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 Hearing loss type. It is commonly used with the system or sample type Ear.left.

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: TRIAL
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Hearing loss type Ear - left
  • Hearing loss type
  • AUDIO; Audiology; Ear Nose Throat; Ear-L; ENT; Hearing; HL type; L; LT; Nominal; Oto; Otolaryngology; Otologic; Point in time; Random; Typ

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

Hearing loss type Ear - leftHL type Ear-LHearing loss typeAUDIOTypePtEar.left

Frequently asked questions

Code details

Code98421-1
SystemLOINC
Display nameHearing loss type Ear - left
DescriptionHearing loss type
Short nameHL type Ear-L
ComponentHearing loss type
PropertyType
TimingPt
System (specimen)Ear.left
ScaleNom
ClassAUDIO
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.71
Last changed2.71

Part names

Hearing loss typeTypePtEar.leftNomPoint in time (spot)Ear Left

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 98421-1 | HealthAssure