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.

LOINCBoth

LOINC Code 16365-9: Amoxicillin+Clavulanate [Mass/Vol]

Name: LOINC Code 16365-9: Amoxicillin+Clavulanate [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:26.376Z

16365-9 is a LOINC code used to identify Amoxicillin+Clavulanate [Mass/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 Amoxicillin+Clavulanate. It is commonly used with the system or sample type Ser/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 Amoxicillin+Clavulanate. It is commonly used with the system or sample type Ser/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: DEPRECATED
Order vs observation: Both

What it does not mean

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

Key facts

Deprecated Amoxicillin+Clavulanate [Mass/volume] in Serum or Plasma
Amoxicillin+Clavulanate
Amox; Amoxicillin+clavulanic acid; Amoxicilloyl; Amoxil; Augmentin; Bristamox; c204; c305; c6; Clav; Clavate; Clavu; Clavul; Clavulanic; Clavulanic acid; DRUG/TOXICOLOGY; Drugs; Larotid; Level; Mass concentration; Moxalin; Moxicillin+clavulanic acid; Pl; Plasma; Plsm; Point in time; Polymox; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Sumox; Trimox; Wymox

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

Amoxicillin+Clavulanate [Mass/Vol]Deprecated Amoxicillin+Clavulanate [Mass/volume] in Serum or PlasmaDeprecated Amoxicillin+Clav SerPl-mCncAmoxicillin+ClavulanateDRUG/TOXAmoxicillin+Clavulanate, BloodMCnc

Frequently asked questions

Code details

Code16365-9

SystemLOINC

Display nameAmoxicillin+Clavulanate [Mass/Vol]

DescriptionAmoxicillin+Clavulanate

Short nameDeprecated Amoxicillin+Clav SerPl-mCnc

ComponentAmoxicillin+Clavulanate

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassDRUG/TOX

Example unitsug/mL

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.65

Consumer names

Amoxicillin+Clavulanate, Blood

Part names

Amoxicillin+ClavulanateMCncPtSer/PlasQnMass ConcentrationPoint in time (spot)Serum or 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.