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 71750-4: Primary contact phone number extension Facility

Name: LOINC Code 71750-4: Primary contact phone number extension Facility
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:50.624Z

71750-4 is a LOINC code used to identify Primary contact phone number extension Facility 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 Primary contact phone number extension. It is commonly used with the system or sample type Facility.

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 Primary contact phone number extension. It is commonly used with the system or sample type Facility.

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

Primary contact phone number extension Facility
Primary contact phone number extension
Indicates the extension number for the primary contact personnel's business phone number.
Admin; ESRD; ESRD survey; EXT; Fclty; No; Nominal; Num; Phone #; Phone # ext; Point in time; Primary contact phone #; Primary contact phone # ext; Random; Survey; Telecommunication number; Telephone number

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

Primary contact phone number extension FacilityPrimary contact phone number extensionSURVEY.ESRDTelePtFacilityNom

Frequently asked questions

Code details

Code71750-4

SystemLOINC

Display namePrimary contact phone number extension Facility

DescriptionPrimary contact phone number extension

ComponentPrimary contact phone number extension

PropertyTele

TimingPt

System (specimen)Facility

ScaleNom

ClassSURVEY.ESRD

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.67

Part names

Primary contact phone number extensionTelePtFacilityNomTelephone number (HL7 datatype)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.