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 71545-8: I have difficulty sleeping in the last 2 weeks or more [M3]

Name: LOINC Code 71545-8: I have difficulty sleeping in the last 2 weeks or more [M3]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:50.623Z

71545-8 is a LOINC code used to identify I have difficulty sleeping in the last 2 weeks or more [M3] 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 I have difficulty sleeping in the last 2W or more. 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 I have difficulty sleeping in the last 2W or more. 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
Order vs observation: Observation
Method: M3

What it does not mean

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

Key facts

I have difficulty sleeping in the last 2 weeks or more [M3]
I have difficulty sleeping in the last 2W or more
Difficulty sleeping last 2W; Finding; Findings; My Mood Monitor Checklist; Ordinal; Past; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.MTLHLTH

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

I have difficulty sleeping in the last 2 weeks or more [M3]I have difficulty sleeping in the last 2W or moreSURVEY.MTLHLTHFindPt^PatientOrd

Frequently asked questions

Code details

Code71545-8

SystemLOINC

Display nameI have difficulty sleeping in the last 2 weeks or more [M3]

DescriptionI have difficulty sleeping in the last 2W or more

ComponentI have difficulty sleeping in the last 2W or more

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodM3

ClassSURVEY.MTLHLTH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.67

Part names

I have difficulty sleeping in the last 2W or moreFindPt^PatientOrdM3I have difficulty sleeping in the last 2 weeks or moreFindingPoint in time (spot)My Mood Monitor Checklist

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.