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 66851-7: I certainly feel useless at times [Rosenberg]

Name: LOINC Code 66851-7: I certainly feel useless at times [Rosenberg]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:46.213Z

66851-7 is a LOINC code used to identify I certainly feel useless at times [Rosenberg] 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 certainly feel useless at times. 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 certainly feel useless at times. 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: Rosenberg

What it does not mean

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

Key facts

I certainly feel useless at times [Rosenberg]
I certainly feel useless at times
Finding; Findings; Ordinal; PhenX; Point in time; QL; Qual; Qualitative; Random; Rosenburg; Screen

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 certainly feel useless at times [Rosenberg]Feel useless at times RosenbergI certainly feel useless at timesPHENXFindPt^Patient

Frequently asked questions

Code details

Code66851-7

SystemLOINC

Display nameI certainly feel useless at times [Rosenberg]

DescriptionI certainly feel useless at times

Short nameFeel useless at times Rosenberg

ComponentI certainly feel useless at times

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodRosenberg

ClassPHENX

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.65

Part names

I certainly feel useless at timesFindPt^PatientOrdRosenbergFindingPoint 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.