ICD-O

E22272

disease coding system medical classification oncology classification system

ICD-O (International Classification of Diseases for Oncology) is a specialized coding system used worldwide for classifying tumors by site, morphology, behavior, and grade in cancer registration and research.

Aliases (6)

ICD-O-3.2 ×2
ICD-O-1 ×1
ICD-O-2 ×1
ICD-O-3 ×1
ICD-O-3.1 ×1
International Classification of Diseases for Oncology ×1

Statements (52)

Predicate	Object
instanceOf	disease coding system → medical classification → oncology classification system →
abbreviation	ICD-O →
codeStructure	alphanumeric topography codes → numeric morphology codes →
component	behavior code → grade code → morphology code → topography code →
edition	ICD-O-1 → ICD-O-2 → ICD-O-3 → ICD-O-3.1 → ICD-O-3.2 →
field	cancer epidemiology → cancer registration → cancer research → oncology →
fullName	International Classification of Diseases for Oncology →
geographicUse	worldwide →
language	English →
latestEdition	ICD-O-3.2 →
maintainedBy	World Health Organization →
primaryPurpose	standardized coding of neoplasms for registration and research →
publisher	World Health Organization →
relatedTo	ICD → International Classification of Diseases →
scope	cancers → neoplasms → tumors →
topographyBasedOn	ICD-10 → International Classification of Diseases →
usedBy	cancer registrars → epidemiologists → pathologists → public health agencies →
usedFor	classifying tumors by behavior → classifying tumors by grade → classifying tumors by morphology → classifying tumors by topography → coding histology of tumors → coding primary site of tumors → coding tumor behavior → coding tumor grade → international comparison of cancer statistics → linking cancer registry data with pathology reports → standardizing cancer incidence data →
usedIn	cancer registries → cancer research databases → hospital-based cancer registries → population-based cancer registries →

Referenced by (9)

Subject (surface form when different)	Predicate
ICD-O ("ICD-O-1") → ICD-O ("ICD-O-2") → ICD-O ("ICD-O-3") → ICD-O ("ICD-O-3.1") → ICD-O ("ICD-O-3.2") →	edition
ICD-O →	abbreviation
ICD-O ("International Classification of Diseases for Oncology") →	fullName
ICD-O ("ICD-O-3.2") →	latestEdition
International Classification of Diseases →	relatedTo