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 66821-0: In the last month, how often have you been upset because of something that happened unexpectedly

Name: LOINC Code 66821-0: In the last month, how often have you been upset because of something that happened unexpectedly
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:46.213Z

66821-0 is a LOINC code used to identify In the last month, how often have you been upset because of something that happened unexpectedly 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 In the last Mo, how often have you been upset because of something that happened unexpectedly. 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 In the last Mo, how often have you been upset because of something that happened unexpectedly. 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

What it does not mean

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

Key facts

In the last month, how often have you been upset because of something that happened unexpectedly
In the last Mo, how often have you been upset because of something that happened unexpectedly
1 month; 1 month (30 days); 30 days; Been upset bec something happened unexpect; Finding; Findings; month; Ordinal; Past; QL; Qual; Qualitative; Screen; Survey; SURVEY.MTLHLTH; Upset because of unexpected

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

In the last month, how often have you been upset because of something that happened unexpectedlyIn the last Mo, how often have you been upset because of something that happened unexpectedlySURVEY.MTLHLTHFind1Mo^PatientOrd

Frequently asked questions

Code details

Code66821-0

SystemLOINC

Display nameIn the last month, how often have you been upset because of something that happened unexpectedly

DescriptionIn the last Mo, how often have you been upset because of something that happened unexpectedly

ComponentIn the last Mo, how often have you been upset because of something that happened unexpectedly

PropertyFind

Timing1Mo

System (specimen)^Patient

ScaleOrd

ClassSURVEY.MTLHLTH

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.79

Part names

In the last Mo, how often have you been upset because of something that happened unexpectedlyFind1Mo^PatientOrdIn the last month, how often have you been upset because of something that happened unexpectedlyFinding1 month

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.