LOINC Code 72781-8: JWH-018 pentanol/Creatinine (U) [Mass ratio]

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 pentanol/Creatinine. 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: Both

What it does not mean

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

Key facts

• JWH-018 pentanol (synthetic cannabinoid metabolite)/Creatinine [Mass Ratio] in Urine
• JWH-018 pentanol/Creatinine
• AM-678; CR; Crea; Creat; DRUG/TOXICOLOGY; Drugs; JWH-018 N-pentanol metabolite; K2; Mass concentration ratio; Mass ratio; MCRto; Point in time; QNT; Quan; Quant; Quantitative; Random; Spice; Spike; Synthetic cannabinoid; Synthetic cannabinoids; UA; UCr; 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

Frequently asked questions