LOINC long common name : Histology ICD-O-1 Cancer;
LOINC short name : Histology ICD-O-1 Cancer;
LOINC description : Area for retaining the histology portion (4 digits) of the ICD-O-1 or field trial
morphology codes entered before a conversion to ICD-O-2. See grouped data item Morph
(73-91) ICD-O-1 [1970], in Appendix E. The item name includes years 1973-91. However,
some states may have used the codes for cases before 1973... NAACCR Data Standards
and Data Dictionary Version 11;