These ICD-O codes are obsolete.
For current cases please see code

Name

Malignant histiocytosis

ICD-O-1 Morphology

9720/3: Malignant histiocytosis
Effective 1978 - 1991

ICD-O-2 Morphology

9720/3: Malignant histiocytosis
Effective 1992 - 2000

ICD-O-3 Morphology

9750/3: Malignant histiocytosis
Effective 2001 - 2009

Reportable

for cases diagnosed 1978 - 2009

Primary Site(s)

See Abstractor Notes

These ICD-O codes are not applicable for the selected year
See link above for current code
Glossary