LOINCActiveBoth

LOINC Code 78825-7: Ecgonine methyl ester (Hair) [Mass/Mass]

78825-7 is a LOINC code used to identify Ecgonine methyl ester (Hair) [Mass/Mass] 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 Ecgonine methyl ester. It is commonly used with the system or sample type Hair.

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 Ecgonine methyl ester. It is commonly used with the system or sample type Hair.

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

What it does not mean

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

Key facts

  • Ecgonine methyl ester [Mass/mass] in Hair
  • Ecgonine methyl ester
  • Hair analysis provides a longer surveillance window for drug use than other methods because hair retains drugs longer (weeks or months, compared with days detectable in blood or urine). Collecting hair specimens also is less invasive than urine or blood sampling. Drawbacks for hair analysis include expense, and environmental contamination of the specimen.
  • Addiction; Cocaine metabolite; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; EME; Esters; Har; Illicit; Mass Content; Methylecgonine; Point in time; PotentialForAbuse; QNT; Quan; Quant; Quantitative; Random

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

Ecgonine methyl ester (Hair) [Mass/Mass]Ecgonine methyl ester [Mass/mass] in HairEME Hair-mCntEcgonine methyl esterDRUG/TOXEcgonine methyl ester, HairMCnt

Frequently asked questions

Code details

Code78825-7
SystemLOINC
Display nameEcgonine methyl ester (Hair) [Mass/Mass]
DescriptionEcgonine methyl ester
Short nameEME Hair-mCnt
ComponentEcgonine methyl ester
PropertyMCnt
TimingPt
System (specimen)Hair
ScaleQn
ClassDRUG/TOX
Example unitspg/mg
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Consumer names

Ecgonine methyl ester, Hair

Part names

Ecgonine methyl esterMCntPtHairQnMass ContentPoint 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.

LOINC Code 78825-7 | HealthAssure