ICD-10-CM › C00-D49 › D37-D48 › D47.0 Mast cell neoplasms of uncertain behavior › D47.02
D47.02
Systemic mastocytosis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2018 to now.
- FY2018 Added to the code set Systemic mastocytosis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from the D37-D48 section Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
Excludes1 - never coded here
- neoplasms of unspecified behavior (D49.-)
Note
- Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Mastocytosis > indolent systemic
- Mastocytosis > isolated bone marrow
- Mast cell > disease, systemic tissue
- Disease, diseased > systemic tissue mast cell
- Mastocytosis > systemic > with an associated hematological non-mast cell lineage disease
Codes in the same group
| Code | Description | Status |
|---|---|---|
| D47.01 | Cutaneous mastocytosis | Valid |
| D47.09 | Other mast cell neoplasms of uncertain behavior | Valid |