LOINCActiveBoth

LOINC Code 46257-2: Dihydrocodeine+Hydrocodol Screen Ql

46257-2 is a LOINC code used to identify Dihydrocodeine+Hydrocodol Screen 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+Hydrocodol. 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+Hydrocodol. 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: Screen

What it does not mean

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

Key facts

  • Dihydrocodeine+Hydrocodol [Presence] in Serum or Plasma by Screen method
  • Dihydrocodeine+Hydrocodol
  • DF-118; DHC; DHC+hydrocodol; DHCPlus; Drocode; DRUG/TOXICOLOGY; Drugs; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; 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+Hydrocodol Screen QlDihydrocodeine+Hydrocodol [Presence] in Serum or Plasma by Screen methodDHC+hydrocodol SerPl Ql ScnDihydrocodeine+HydrocodolDRUG/TOXDihydrocodeine+Hydrocodol, BloodPrThr

Frequently asked questions

Code details

Code46257-2
SystemLOINC
Display nameDihydrocodeine+Hydrocodol Screen Ql
DescriptionDihydrocodeine+Hydrocodol
Short nameDHC+hydrocodol SerPl Ql Scn
ComponentDihydrocodeine+Hydrocodol
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.56

Consumer names

Dihydrocodeine+Hydrocodol, Blood

Part names

Dihydrocodeine+HydrocodolPrThrPtSer/PlasOrdScreenPresence or ThresholdPoint in time (spot)Serum or PlasmaToxicology screen

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.

LOINC Code 46257-2 | HealthAssure