Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.
Start free with EleplanIsolated bone marrow mastocytosis
ORPHA:158778Disease
What it is
A rare subtype of indolent systemic mastocytosis characterized by isolated bone marrow involvement without skin lesions, low burden of neoplastic mast cells, and often normal or near normal serum tryptase levels. The KIT D816V mutation is present in the majority of cases.
Key facts
- Inheritance
- Autosomal dominant, Unknown
- Classified as
- Disease
Recorded for the broader condition
- Prevalence
- 1-5 / 10 000Systemic mastocytosis
- Age of onset
- All agesSystemic mastocytosis
Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.
Gene
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
Powered by Eleplan
A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.
Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.