| BMB | Bone marrow biopsy |
| CLM | Cutaneous lesions of mastocytosis |
| CM | Cutaneous Mastocytosis |
| DCM | Diffuse cutaneous mastocytosis |
| ISM | Indolent systemic mastocytosis |
| MIS | Mastocytosis in the Skin |
| MPCM | Maculopapular cutaneous mastocytosis |
| MC | Mast cell |
| HPF | High power field (defined as 0.196 mm2) |
| SM | Systemic mastocytosis |