LOINC

LOINC Code 66610-7: Cognitive impairment [Reported]

66610-7 is a LOINC code used to identify Cognitive impairment [Reported] 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 Cognitive impairment. 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 Cognitive impairment. 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: TRIAL
  • Method: Reported

What it does not mean

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

Key facts

  • Cognitive impairment [Reported]
  • Cognitive impairment
  • e.g., memory deficit, difficulty with calculation, poor concentration, difficulty in spoken or written language, impaired performance level) or major psychosis
  • History; Ordinal; PhenX; Point in time; QL; Qual; Qualitative; Random; 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

Cognitive impairment [Reported]Cognitive impairment ReportedCognitive impairmentPHENXHxPt^Patient

Frequently asked questions

Code details

Code66610-7
SystemLOINC
Display nameCognitive impairment [Reported]
DescriptionCognitive impairment
Short nameCognitive impairment Reported
ComponentCognitive impairment
PropertyHx
TimingPt
System (specimen)^Patient
ScaleOrd
MethodReported
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.65

Part names

Cognitive impairmentHxPt^PatientOrdReportedHistoryPoint 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.

LOINC Code 66610-7 | HealthAssure