LOINCActiveBoth

LOINC Code 16171-1: Cocaethylene (Hair) [Mass/Mass]

16171-1 is a LOINC code used to identify Cocaethylene (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 Cocaethylene. It is commonly used with the system or sample type Hair.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Cocaethylene. 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

  • Cocaethylene [Mass/mass] in Hair
  • Cocaethylene
  • Cocaine/Ethanol By-Product; DRUG/TOXICOLOGY; Drugs; Har; Mass content; Point in time; 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

Cocaethylene (Hair) [Mass/Mass]Cocaethylene [Mass/mass] in HairCocaethylene Hair-mCntCocaethyleneDRUG/TOXCocaethylene, HairMCnt

Frequently asked questions

Code details

Code16171-1
SystemLOINC
Display nameCocaethylene (Hair) [Mass/Mass]
DescriptionCocaethylene
Short nameCocaethylene Hair-mCnt
ComponentCocaethylene
PropertyMCnt
TimingPt
System (specimen)Hair
ScaleQn
ClassDRUG/TOX
Example unitsng/g
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Cocaethylene, Hair

Part names

CocaethyleneMCntPtHairQnMass 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 16171-1 | HealthAssure