What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 77337-4: Trimipramine+Nortrimipramine (Specimen) [Moles/Vol]

Name: LOINC Code 77337-4: Trimipramine+Nortrimipramine (Specimen) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:57.647Z

77337-4 is a LOINC code used to identify Trimipramine+Nortrimipramine (Specimen) [Moles/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 Trimipramine+Nortrimipramine. It is commonly used with the system or sample type XXX.

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 Trimipramine+Nortrimipramine. It is commonly used with the system or sample type XXX.

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

Trimipramine+Nortrimipramine [Moles/volume] in Specimen
Trimipramine+Nortrimipramine
Addiction; Cotrimazine; Desmeth; Desmethyltrimipramine; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Level; Misc; Miscellaneous; Other; Point in time; PotentialForAbuse; QNT; Quan; Quant; Quantitative; Random; Spec; Substance Concentration; Surmontil; TMP; To be specified in another part of the message; Trimipram+Nor; Trimipramine metabolite; Unspecified

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

Trimipramine+Nortrimipramine (Specimen) [Moles/Vol]Trimipramine+Nortrimipramine [Moles/volume] in SpecimenTrimipram+Nor Spec-sCncTrimipramine+NortrimipramineDRUG/TOXTrimipramine+Nortrimipramine, SpecimenSCnc

Frequently asked questions

Code details

Code77337-4

SystemLOINC

Display nameTrimipramine+Nortrimipramine (Specimen) [Moles/Vol]

DescriptionTrimipramine+Nortrimipramine

Short nameTrimipram+Nor Spec-sCnc

ComponentTrimipramine+Nortrimipramine

PropertySCnc

TimingPt

System (specimen)XXX

ScaleQn

ClassDRUG/TOX

Example unitsnmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.69

Consumer names

Trimipramine+Nortrimipramine, Specimen

Part names

Trimipramine+NortrimipramineSCncPtXXXQnSubstance 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.