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.

LOINCActiveBoth

LOINC Code 91786-4: MeV Org specific cx Ql (Upper resp)

Name: LOINC Code 91786-4: MeV Org specific cx Ql (Upper resp)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:21.442Z

91786-4 is a LOINC code used to identify MeV Org specific cx Ql (Upper resp) 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 Measles virus. It is commonly used with the system or sample type Respiratory system specimen.upper.

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 Measles virus. It is commonly used with the system or sample type Respiratory system specimen.upper.

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: Both
Method: Organism specific culture

What it does not mean

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

Key facts

Measles virus [Presence] in Upper respiratory specimen by Organism specific culture
Measles virus
Breathing; C&S; Cult; Cultures; Lungs; MeV; Microbiology; Msls; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RS; Rubeola; Screen; Spec; Up; Upper resp

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

MeV Org specific cx Ql (Upper resp)Measles virus [Presence] in Upper respiratory specimen by Organism specific cultureMeV Upper resp Ql CultMeasles virusMICROMeasles virus culture, Upper respiratoryPrThr

Frequently asked questions

Code details

Code91786-4

SystemLOINC

Display nameMeV Org specific cx Ql (Upper resp)

DescriptionMeasles virus

Short nameMeV Upper resp Ql Cult

ComponentMeasles virus

PropertyPrThr

TimingPt

System (specimen)Respiratory system specimen.upper

ScaleOrd

MethodOrganism specific culture

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.66

Last changed2.77

Consumer names

Measles virus culture, Upper respiratory

Part names

Measles virusPrThrPtRespiratory system specimen.upperOrdOrganism specific culturePresence or ThresholdPoint in time (spot)Upper respiratory specimen

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.