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. 2019 Jan 4;11:81–92. doi: 10.2147/CLEP.S177683

Table S1.

List of ICD codes used to identify central nervous system tumor patients in the Inpatient Register and Cause of Death Register

Brain tumors ICD-9 ICD-10

 Malignant 191 C71
 Benign 225A D33.0–D33.2
 Unknown grading 237F D43.0–D43.2
Other CNS tumors
 Malignant 192 C70; C72
 Benign 225B; 225C; 225E D32; D33.3–D33.9; D42
 Unknown grading 237G; 237X D42; D43.3–D43.9