2020 ICD-10-CM Codes for Oth disorders involving the immune mechanism, NEC (D89)

Clinical Terms for Oth disorders involving the immune mechanism, NEC (D89)

Hypergammaglobulinemia-. An excess of GAMMA-GLOBULINS in the serum due to chronic infections or PARAPROTEINEMIAS.

Cryoglobulinemia-. A condition characterized by the presence of abnormal quantities of CRYOGLOBULINS in the blood. Upon cold exposure, these abnormal proteins precipitate into the microvasculature leading to restricted blood flow in the exposed areas.

Mast Cell Activation Syndrome-. A heterogenous group of disorders characterized by the abnormal increase of MAST CELLS in only the skin (MASTOCYTOSIS, CUTANEOUS), in extracutaneous tissues involving multiple organs (MASTOCYTOSIS, SYSTEMIC), or in solid tumors (MASTOCYTOMA).

Graft vs Host Disease-. The clinical entity characterized by anorexia, diarrhea, loss of hair, leukopenia, thrombocytopenia, growth retardation, and eventual death brought about by the GRAFT VS HOST REACTION.

Instructional Notations