What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 98679-4: Peak motor nerve conduction latency [Time] Left ulnar nerve

Name: LOINC Code 98679-4: Peak motor nerve conduction latency [Time] Left ulnar nerve
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.431Z

98679-4 is a LOINC code used to identify Peak motor nerve conduction latency [Time] Left ulnar nerve 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 Peak motor nerve conduction latency. It is commonly used with the system or sample type Ulnar nerve.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 Peak motor nerve conduction latency. It is commonly used with the system or sample type Ulnar nerve.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: ACTIVE
Order vs observation: Observation
Method: Nerve conduction

What it does not mean

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

Key facts

Peak motor nerve conduction latency [Time] Left ulnar nerve
Peak motor nerve conduction latency
L; L ulnar n; LT; NEURO; Peak motor NC latency; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Peak motor nerve conduction latency [Time] Left ulnar nervePeak motor NC latency Time L ulnar nPeak motor nerve conduction latencyNEUROTimePtUlnar nerve.left

Frequently asked questions

Code details

Code98679-4

SystemLOINC

Display namePeak motor nerve conduction latency [Time] Left ulnar nerve

DescriptionPeak motor nerve conduction latency

Short namePeak motor NC latency Time L ulnar n

ComponentPeak motor nerve conduction latency

PropertyTime

TimingPt

System (specimen)Ulnar nerve.left

ScaleQn

MethodNerve conduction

ClassNEURO

Example unitsms

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

Peak motor nerve conduction latencyTimePtUlnar nerve.leftQnNerve conductionTime (e.g. seconds)Point in time (spot)Left ulnar nerve

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.