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.

LOINCActiveOrder

LOINC Code 73866-6: Catecholamines 3 and creatinine panel (U) [Molar ratio]

Name: LOINC Code 73866-6: Catecholamines 3 and creatinine panel (U) [Molar ratio]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:53.971Z

73866-6 is a LOINC code used to identify Catecholamines 3 and creatinine panel (U) [Molar ratio] 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 Catecholamines 3 & creatinine panel. It is commonly used with the system or sample type Urine.

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 Catecholamines 3 & creatinine panel. It is commonly used with the system or sample type Urine.

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: Order
Panel type: Panel

What it does not mean

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

Key facts

Catecholamines 3 and creatinine panel [Molar ratio] - Urine
Catecholamines 3 & creatinine panel
Cate; Catec; Catech; Catechol; Catecholamine; Catecholamines 3 + creat Pnl; Catecholamines.total; Catechols; Chemistry; CR; Crea; Creat; Creat Pnl; Epinephrine+norepinephrine+dopamine; III; Pan; PANEL.CHEMISTRY; Panl; Pnl; Point in time; Random; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; UR; Urn

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

Catecholamines 3 and creatinine panel (U) [Molar ratio]Catecholamines 3 and creatinine panel [Molar ratio] - UrineCatecholamines 3 + creat Pnl Ur-sRtoCatecholamines 3 & creatinine panelPANEL.CHEMCatecholamines 3 and Creatinine panel, UrineSRto

Frequently asked questions

Code details

Code73866-6

SystemLOINC

Display nameCatecholamines 3 and creatinine panel (U) [Molar ratio]

DescriptionCatecholamines 3 & creatinine panel

Short nameCatecholamines 3 + creat Pnl Ur-sRto

ComponentCatecholamines 3 & creatinine panel

PropertySRto

TimingPt

System (specimen)Urine

Scale-

ClassPANEL.CHEM

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.44

Last changed2.56

Consumer names

Catecholamines 3 and Creatinine panel, Urine

Part names

Catecholamines 3 & creatinine panelSRtoPtUrine-Catecholamines 3 and creatinine panelSubstance RatioPoint 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.