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 104634-1: Continuous glucose monitor device [Date and time] Reporting Period start - Reported

Name: LOINC Code 104634-1: Continuous glucose monitor device [Date and time] Reporting Period start - Reported
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.128Z

104634-1 is a LOINC code used to identify Continuous glucose monitor device [Date and time] Reporting Period start - 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 Continuous glucose monitor device. 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 Continuous glucose monitor device. 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: Reported

What it does not mean

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

Key facts

Continuous glucose monitor device [Date and time] Reporting Period start - Reported

Continuous glucose monitor device

An integrated continuous glucose monitoring system (iCGM) is intended to automatically measure glucose in bodily fluids continuously or frequently for a specified period of time. [PMID30453772]

CGM; CGM device; CLIN; Date and time; Glu; Gluc; Glucoseur; QNT; Quan; Quant; Quantitative; Report period; Started; Time stamp; Timestamp

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

Continuous glucose monitor device [Date and time] Reporting Period start - ReportedCGM device RptPeriod start ReportedContinuous glucose monitor deviceCLINStart Continuous glucose monitor device in Reporting Period, ReportedTmStpRptPeriod^start

Frequently asked questions

Code details

Code104634-1

SystemLOINC

Display nameContinuous glucose monitor device [Date and time] Reporting Period start - Reported

DescriptionContinuous glucose monitor device

Short nameCGM device RptPeriod start Reported

ComponentContinuous glucose monitor device

PropertyTmStp

TimingRptPeriod^start

System (specimen)^Patient

ScaleQn

MethodReported

ClassCLIN

Example unitsMMDDYY

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.79

Last changed2.79

Consumer names

Start Continuous glucose monitor device in Reporting Period, Reported

Part names

Continuous glucose monitor deviceTmStpRptPeriod^start^PatientQnReportedTime Stamp (Date and Time)

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.