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 49287-6: Organic acids pattern Nar (U) [Interp]

Name: LOINC Code 49287-6: Organic acids pattern Nar (U) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.939Z

49287-6 is a LOINC code used to identify Organic acids pattern Nar (U) [Interp] 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 Organic acids pattern. 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 Organic acids pattern. 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: Observation

What it does not mean

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

Key facts

Organic acids pattern [Interpretation] in Urine Narrative
Organic acids pattern
Acd; Acid; Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Point in time; Random; Report; UA; 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

Organic acids pattern Nar (U) [Interp]Organic acids pattern [Interpretation] in Urine NarrativeOrganic Acids Pattern Ur-ImpOrganic acids patternCHEMInterpretation of Organic acids pattern test result, UrineImp

Frequently asked questions

Code details

Code49287-6

SystemLOINC

Display nameOrganic acids pattern Nar (U) [Interp]

DescriptionOrganic acids pattern

Short nameOrganic Acids Pattern Ur-Imp

ComponentOrganic acids pattern

PropertyImp

TimingPt

System (specimen)Urine

ScaleNar

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.73

Consumer names

Interpretation of Organic acids pattern test result, Urine

Part names

Organic acids patternImpPtUrineNarImpression/interpretation of studyPoint 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.