LOINCActiveObservation

LOINC Code 46501-3: Date assessment information completed during assessment period [CMS Assessment]

46501-3 is a LOINC code used to identify Date assessment information completed during assessment period [CMS Assessment] 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 Date assessment information completed. 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 Date assessment information completed. 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: CMS Assessment

What it does not mean

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

Key facts

  • Date assessment information completed during assessment period [CMS Assessment]
  • Date assessment information completed
  • The actual date the assessment is completed, except if agency policy allows assessments to be performed over more than one visit date, in which case the last date (when the assessment is finished) is the appropriate date to record.
  • Centers for Medicare and Medicaid Assessment; QNT; Quan; Quant; Quantitative; Report period; Survey

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

Date assessment information completed during assessment period [CMS Assessment]Date assessment information completedSURVEY.CMSDateRptPeriod^PatientQn

Frequently asked questions

Code details

Code46501-3
SystemLOINC
Display nameDate assessment information completed during assessment period [CMS Assessment]
DescriptionDate assessment information completed
ComponentDate assessment information completed
PropertyDate
TimingRptPeriod
System (specimen)^Patient
ScaleQn
MethodCMS Assessment
ClassSURVEY.CMS
Example unitsMMDDYY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.77

Part names

Date assessment information completedDateRptPeriod^PatientQnCMS AssessmentReporting PeriodCenters for Medicare and Medicaid Assessment

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 46501-3 | HealthAssure