The ICD-9 code range NEOPLASMS OF UNCERTAIN BEHAVIOR for 235-238 is medical classification list by the World Health Organization (WHO).
Neoplasm of uncertain behavior of digestive and respiratory systems
Neoplasm of uncertain behavior of genitourinary organs
Neoplasm of uncertain behavior of endocrine glands and nervous system
Neurofibromatosis
Neoplasm of uncertain behavior of other and unspecified sites and tissues
Neoplasm of uncertain behavior of other lymphatic and hematopoietic tissues
Essential thrombocythemia
Low grade myelodysplastic syndrome lesions
High grade myelodysplastic syndrome lesions
Myelodysplastic syndrome with 5q deletion
Myelodysplastic syndrome, unspecified
Myelofibrosis with myeloid metaplasia
Post-transplant lymphoproliferative disorder (PTLD)
Other lymphatic and hematopoietic tissues