LOINCActiveObservation

LOINC Code 78837-2: JWH-018 pentanoate cutoff Confirm (U) [Mass/Vol]

78837-2 is a LOINC code used to identify JWH-018 pentanoate cutoff Confirm (U) [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 JWH-018 pentanoate cutoff. It is commonly used with the system or sample type Urine.

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 JWH-018 pentanoate cutoff. It is commonly used with the system or sample type Urine.

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: Observation
  • Method: Confirm

What it does not mean

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

Key facts

  • JWH-018 pentanoate (synthetic cannabinoid metabolite) cutoff [Mass/volume] in Urine for Confirmatory method
  • JWH-018 pentanoate cutoff
  • AM-678; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; CtO; DRUG/TOXICOLOGY; Drugs; GCMS; JWH-018 N-pentanoate metabolite; JWH-018 N-pentanoic acid metabolite; JWH-018 N-valeric metabolite; K2; LC/MS/MS; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Spice; Spike; Synthetic cannabinoid; Synthetic cannabinoids; UA; UR; Urn; Yucatan Fire

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

JWH-018 pentanoate cutoff Confirm (U) [Mass/Vol]JWH-018 pentanoate (synthetic cannabinoid metabolite) cutoff [Mass/volume] in Urine for Confirmatory methodJWH-018 pentanoate CtO Ur Cfm-mCncJWH-018 pentanoate cutoffDRUG/TOXJWH-018 pentanoate cutoff, UrineMCnc

Frequently asked questions

Code details

Code78837-2
SystemLOINC
Display nameJWH-018 pentanoate cutoff Confirm (U) [Mass/Vol]
DescriptionJWH-018 pentanoate cutoff
Short nameJWH-018 pentanoate CtO Ur Cfm-mCnc
ComponentJWH-018 pentanoate cutoff
PropertyMCnc
TimingPt
System (specimen)Urine
ScaleQn
MethodConfirm
ClassDRUG/TOX
Example unitsng/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

JWH-018 pentanoate cutoff, Urine

Part names

JWH-018 pentanoate cutoffMCncPtUrineQnConfirmMass ConcentrationPoint 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 78837-2 | HealthAssure