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.

LOINCActive

LOINC Code 45876-0: Number of emergency room visits in last 90 days [Minimum Data Set]

Name: LOINC Code 45876-0: Number of emergency room visits in last 90 days [Minimum Data Set]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:31.116Z

45876-0 is a LOINC code used to identify Number of emergency room visits in last 90 days [Minimum Data Set] 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 Number of emergency room visits in last 90D. It is commonly used with the system or sample type ^Patient.

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 Number of emergency room visits in last 90D. It is commonly used with the system or sample type ^Patient.

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
Method: MDS

What it does not mean

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

Key facts

Number of emergency room visits in last 90 days [Minimum Data Set]
Number of emergency room visits in last 90D
# emergency room visits in last 90D; Count/time; No; nRate; Num; Number rate; Number Rate = Count/Time; Past; QNT; Quan; Quant; Quantitative; Survey; SURVEY.MDS

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

Number of emergency room visits in last 90 days [Minimum Data Set]Number of emergency room visits in last 90DSURVEY.MDSNRat90D^PatientQn

Frequently asked questions

Code details

Code45876-0

SystemLOINC

Display nameNumber of emergency room visits in last 90 days [Minimum Data Set]

DescriptionNumber of emergency room visits in last 90D

ComponentNumber of emergency room visits in last 90D

PropertyNRat

Timing90D

System (specimen)^Patient

ScaleQn

MethodMDS

ClassSURVEY.MDS

Example units#/90 d

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.54

Part names

Number of emergency room visits in last 90DNRat90D^PatientQnMDSNumber of emergency room visits in last 90 daysNumber Rate90 daysMinimum Data Set

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.