Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (876 page)

   
Normal range:

   Negative: No precipitate at 72 hours refrigerated; quantitation and immunotyping are not generally performed on positive cryofibrinogen.

   Use

   Patients with unexplained cutaneous ulcers, ischemia, or necrosis on coldexposed areas

   Evaluating patients with vasculitis, glomerulonephritis, and lymphoproliferative diseases

   Interpretation

Increased In

   Vasculitis

   Hematologic and solid neoplasms

   Thromboembolic conditions

   Multiple myeloma

   Scleroderma

   Transient benign condition associated with infection

   Oral contraceptives

   Limitations