Test Catalog

Test ID: CRGSP    
Cryoglobulin and Cryofibrinogen Panel, Serum and Plasma

Useful For Suggests clinical disorders or settings where the test may be helpful

Evaluating patients with vasculitis, glomerulonephritis, and lymphoproliferative diseases


Evaluating patients with macroglobulinemia or myeloma in whom symptoms occur with cold exposure


This test is not useful for general screening of a population without a clinical suspicion of cryoglobulinemia.

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
CRY_SCryoglobulin, SYesYes
CRY_PCryofibrinogen, PNoYes

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
IMFXCImmunofixation CryoglobulinNoNo

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

If cryoglobulin has a positive result after 1 or 7 days, then immunofixation will be performed at an additional charge. Positive cryoglobulins of 0.1 mL or above of precipitate will be typed once.

Method Name A short description of the method used to perform the test

CRY_S, CRY_P: Quantitation and Qualitative Typing Precipitation at 1 Degree C

Includes cryofibrinogen.

IMFXC: Immunofixation

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Cryo Panel, S and P

Aliases Lists additional common names for a test, as an aid in searching

Cryocrit (suggest cryoglobulin-better test)
Cryoglobulin Mixed Determination
Cryoglobulin, Plasma and Serum