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.

LOINCActiveBoth

LOINC Code 16775-9: Dihydrocodeine Free Confirm Ql

Name: LOINC Code 16775-9: Dihydrocodeine Free Confirm Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:26.380Z

16775-9 is a LOINC code used to identify Dihydrocodeine Free Confirm Ql 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 Dihydrocodeine.free. 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 Dihydrocodeine.free. 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: ACTIVE
Order vs observation: Both
Method: Confirm

What it does not mean

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

Key facts

Dihydrocodeine Free [Presence] in Serum or Plasma by Confirmatory method
Dihydrocodeine.free
Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; DF-118; DHC; DHC Free; DHCPlus; Drocode; DRUG/TOXICOLOGY; Drugs; FR; GCMS; LC/MS/MS; Non-protein bound; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

Dihydrocodeine Free Confirm QlDihydrocodeine Free [Presence] in Serum or Plasma by Confirmatory methodDHC Free SerPl Ql CfmDihydrocodeine.freeDRUG/TOXFree dihydrocodeine, BloodPrThr

Frequently asked questions

Code details

Code16775-9

SystemLOINC

Display nameDihydrocodeine Free Confirm Ql

DescriptionDihydrocodeine.free

Short nameDHC Free SerPl Ql Cfm

ComponentDihydrocodeine.free

PropertyPrThr

TimingPt

System (specimen)Ser/Plas

ScaleOrd

MethodConfirm

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.73

Consumer names

Free dihydrocodeine, Blood

Part names

Dihydrocodeine.freePrThrPtSer/PlasOrdConfirmDihydrocodeine FreePresence or ThresholdPoint 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.