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 93433-1: Busulfan 4 Hr post busulfan infusion completion (P) [Mass/Vol]

Name: LOINC Code 93433-1: Busulfan 4 Hr post busulfan infusion completion (P) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:23.053Z

93433-1 is a LOINC code used to identify Busulfan 4 Hr post busulfan infusion completion (P) [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 Busulfan^4H post busulfan infusion completion. It is commonly used with the system or sample type 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 Busulfan^4H post busulfan infusion completion. It is commonly used with the system or sample type 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

What it does not mean

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

Key facts

Busulfan [Mass/volume] in Plasma --4 hours post busulfan infusion completion
Busulfan^4H post busulfan infusion completion
4h p busulfan; After; DRUG/TOXICOLOGY; Drugs; Level; Mass concentration; Myleran; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random

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

Busulfan 4 Hr post busulfan infusion completion (P) [Mass/Vol]Busulfan [Mass/volume] in Plasma --4 hours post busulfan infusion completionBusulfan 4h p busulfan Plas-mCncBusulfan^4H post busulfan infusion completionDRUG/TOXBusulfan 4 hr after busulfan infusion completion, BloodMCnc

Frequently asked questions

Code details

Code93433-1

SystemLOINC

Display nameBusulfan 4 Hr post busulfan infusion completion (P) [Mass/Vol]

DescriptionBusulfan^4H post busulfan infusion completion

Short nameBusulfan 4h p busulfan Plas-mCnc

ComponentBusulfan^4H post busulfan infusion completion

PropertyMCnc

TimingPt

System (specimen)Plas

ScaleQn

ClassDRUG/TOX

Example unitsng/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.67

Consumer names

Busulfan 4 hr after busulfan infusion completion, Blood

Part names

Busulfan^4H post busulfan infusion completionMCncPtPlasQnMass ConcentrationPoint in time (spot)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.