Accuracy of the ICD-9 code for identification of patients with Wegener's granulomatosis.
Mary
M
Boyd
Ulrich
U
Specks
Javier Daniel
JD
Finkielman
D000328:Adult; D000368:Aged; D005260:Female; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis*; D006801:Humans; D038801:International Classification of Diseases; D008297:Male; D008875:Middle Aged