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.

LOINCActiveOrder

LOINC Code 50337-5: carBAMazepine and metabolites panel

Name: LOINC Code 50337-5: carBAMazepine and metabolites panel
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.495Z

50337-5 is a LOINC code used to identify carBAMazepine and metabolites panel 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 carBAMazepine & metabolites panel. It is commonly used with the system or sample type Ser/Plas.

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 carBAMazepine & metabolites panel. It is commonly used with the system or sample type Ser/Plas.

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: Order
Panel type: Panel

What it does not mean

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

Key facts

carBAMazepine and metabolites panel - Serum or Plasma
carBAMazepine & metabolites panel
Carbamazapine; Carbamezapine; Carbazepine; Carbmzpn + Metab Pnl; CRBM; DRUG/TOXICOLOGY; Drugs; Epitol; Metabolite; Metb; Neuro; Neurology; Pan; PANEL.DRUG & TOXICOLOGY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tegretol; Teril

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

carBAMazepine and metabolites panelcarBAMazepine and metabolites panel - Serum or PlasmaCarbmzpn + Metab Pnl SerPlcarBAMazepine & metabolites panelPANEL.DRUG/TOXcarBAMazepine and metabolites panel, Blood-

Frequently asked questions

Code details

Code50337-5

SystemLOINC

Display namecarBAMazepine and metabolites panel

DescriptioncarBAMazepine & metabolites panel

Short nameCarbmzpn + Metab Pnl SerPl

ComponentcarBAMazepine & metabolites panel

Property-

TimingPt

System (specimen)Ser/Plas

Scale-

ClassPANEL.DRUG/TOX

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.72

Consumer names

carBAMazepine and metabolites panel, Blood

Part names

carBAMazepine & metabolites panel-PtSer/PlascarBAMazepine and metabolites panelPoint in time (spot)Serum or Plasma

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.