comorbidity             Compute comorbidity scores.
icd10_2009              ICD-10 Diagnostic Codes, 2009 Version
icd10_2011              ICD-10 Diagnostic Codes, 2011 Version
icd9_2015               ICD-9 Diagnostic Codes, 2015 Version (v32)
sample_diag             Simulate ICD-10 and ICD-9 diagnostic codes
