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 103609-4: Imatinib 24 Hr post dose LC/MS/MS [Mass/Vol]

Name: LOINC Code 103609-4: Imatinib 24 Hr post dose LC/MS/MS [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:17.904Z

103609-4 is a LOINC code used to identify Imatinib 24 Hr post dose LC/MS/MS [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 Imatinib ^24H post dose. 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 Imatinib ^24H post dose. 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: Both
Method: LC/MS/MS

What it does not mean

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

Key facts

Imatinib [Mass/volume] in Serum or Plasma by LC/MS/MS --24 hours post dose

Imatinib ^24H post dose

A test referring to the sample being a trough plasma or serum sample in order to test for drugs taken once a day and the sample drawn 24 hours after the last dose. [PMID18235115]

After; DRUG/TOXICOLOGY; Drugs; Imatinib free base; Level; Mass concentration; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; STI571

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

Imatinib 24 Hr post dose LC/MS/MS [Mass/Vol]Imatinib [Mass/volume] in Serum or Plasma by LC/MS/MS --24 hours post dose24h p SerPl LC/MS/MS-mCncImatinib ^24H post doseDRUG/TOXImatinib 24 hr after dose, BloodMCnc

Frequently asked questions

Code details

Code103609-4

SystemLOINC

Display nameImatinib 24 Hr post dose LC/MS/MS [Mass/Vol]

DescriptionImatinib ^24H post dose

Short name24h p SerPl LC/MS/MS-mCnc

ComponentImatinib ^24H post dose

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodLC/MS/MS

ClassDRUG/TOX

Example unitsug/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.77

Last changed2.77

Consumer names

Imatinib 24 hr after dose, Blood

Part names

Imatinib ^24H post doseMCncPtSer/PlasQnLC/MS/MSMass ConcentrationPoint 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.