C96.21 - Aggressive systemic mastocytosis
- Applicable to Aggressive systemic mastocytosis
- The 2025 edition of ICD10-CM C96.21 became effective on October 1, 2024.
- This is the American ICD10-CM version of C96.21 - other international versions of ICD10 C96.21 may differ.
- C96.21 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above C96.21 contain annotation back-references that may be applicable to C96.21:
Chapter: C00-D49 Neoplasms
Section: C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Category: C96 Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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