Table 1 Indications for ANCA testing [12]

Glomerulonephritis, especially rapidly progressive glomerulonephritis

Pulmonary haemhorrhage, especially pulmonary renal syndrome

Cutaneous vasculitis with systemic features

Multiple lung nodules

Chronic destructive disease of the upper airways

Long standing sinusitis or otitis

Subglottic tracheal stenosis

Mononeuritis multiplex or other peripheral neuropathy

Retro-orbital mass