LOINCActiveBoth

LOINC Code 93476-0: Busulfan (Stdy P) [Area under the curve]

93476-0 is a LOINC code used to identify Busulfan (Stdy P) [Area under the curve] 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. 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. 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 [Area under the curve] in Plasma
  • Busulfan
  • This term represents the area under the curve during the 6H following Busulfan infusion, effectively a representation of patient exposure to the drug during that time period. This helps to guide the remaining dosing of busulfan to provide bone marrow ablation while avoiding toxicity.
  • AUC; DRUG/TOXICOLOGY; Drugs; Myleran; Pl; Plasma; Plsm; QNT; Quan; Quant; Quantitative; Studies; Study; Sutdies

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 (Stdy P) [Area under the curve]Busulfan [Area under the curve] in PlasmaBusulfan Plas-AUCBusulfanDRUG/TOXBusulfan, BloodTmSCnc

Frequently asked questions

Code details

Code93476-0
SystemLOINC
Display nameBusulfan (Stdy P) [Area under the curve]
DescriptionBusulfan
Short nameBusulfan Plas-AUC
ComponentBusulfan
PropertyTmSCnc
TimingStdy
System (specimen)Plas
ScaleQn
ClassDRUG/TOX
Example unitsumol.min/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.67
Last changed2.67

Consumer names

Busulfan, Blood

Part names

BusulfanTmSCncStdyPlasQnArea under the curveStudyPlasma

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.