- A dictionary of medical eponyms

Volhard's test

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A test for kidney function.

1. Specific gravity of urine should reach 1.025 after fluids are withheld for 24 hours.

2. After 1 1/2 litres of water the specific gravity should fall to <1.003.


  • F. Volhard, in:
    Verhandlungen des Kongresses für innere Medizin, 1910, page 735.
  • F. Volhard, Th. Fahr:
    Die Brightsche Nierenkrankheit. Berlin, J. Springer, 1940. Nierenerkrankungen und Hochdruck. Leipzig, 1949.

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