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 47175-5: Norepinephrine pre 300 ug cloNIDine PO (P) [Moles/Vol]

Name: LOINC Code 47175-5: Norepinephrine pre 300 ug cloNIDine PO (P) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:31.755Z

47175-5 is a LOINC code used to identify Norepinephrine pre 300 ug cloNIDine PO (P) [Moles/Vol] 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 Norepinephrine^pre 300 ug clonidine PO. It is commonly used with the system or sample type Plas.

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 Norepinephrine^pre 300 ug clonidine PO. It is commonly used with the system or sample type Plas.

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

Norepinephrine [Moles/volume] in Plasma --pre 300 ug cloNIDine PO
Norepinephrine^pre 300 ug clonidine PO
Before; Catapres; CHEMISTRY.CHALLENGE TESTING; Level; mcg; NE; Noradrenalin; Norepi; Norepin; Norepineph; Norepinephr; Noreppi; Pl; Plasma; Plsm; Point in time; pre 300 ug CLN PO; QNT; Quan; Quant; Quantitative; Random; Substance concentration

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

Norepinephrine pre 300 ug cloNIDine PO (P) [Moles/Vol]Norepinephrine [Moles/volume] in Plasma --pre 300 ug cloNIDine PONorepineph pre 300 ug CLN PO Plas-sCncNorepinephrine^pre 300 ug clonidine POCHALNorepinephrine before 300 Ug cloNIDine by mouth, BloodSCnc

Frequently asked questions

Code details

Code47175-5

SystemLOINC

Display nameNorepinephrine pre 300 ug cloNIDine PO (P) [Moles/Vol]

DescriptionNorepinephrine^pre 300 ug clonidine PO

Short nameNorepineph pre 300 ug CLN PO Plas-sCnc

ComponentNorepinephrine^pre 300 ug clonidine PO

PropertySCnc

TimingPt

System (specimen)Plas

ScaleQn

ClassCHAL

Example unitsnmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.19

Last changed2.70

Consumer names

Norepinephrine before 300 Ug cloNIDine by mouth, Blood

Part names

Norepinephrine^pre 300 ug clonidine POSCncPtPlasQnSubstance ConcentrationPoint in time (spot)Plasma

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.