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 105490-7: Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d

Name: LOINC Code 105490-7: Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.135Z

105490-7 is a LOINC code used to identify Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d 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 Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d. 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 Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d. 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

What it does not mean

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

Key facts

Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d
Finding; Findings; Highest number of pills in 1 day; III; No; Num; 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

Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1dHighest number of pills in 1 dayPHENXFindPt^PatientOrd

Frequently asked questions

Code details

Code105490-7

SystemLOINC

Display nameOrder to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d

Short nameHighest number of pills in 1 day

ComponentOrder to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1d

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

ClassPHENX

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Part names

Order to not take more than 3 grams of Tylenol and each Tylenol pill is 500 milligrams (mg) the highest number of pills can be taken in 1dFindPt^PatientOrdFindingPoint 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.