C96.21

The ICD-10-CM code for aggressive systemic mastocytosis is C96.21. The full clinical description is "Aggressive systemic mastocytosis". C96.21 is a billable/specific code that can be used on insurance claims and medical billing.

ICD-10-CM code C96.21 represents “Aggressive systemic mastocytosis”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Yes, C96.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

C96.21 is in Chapter 2: Neoplasms (codes C00-D49).

C96.21 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79); indolent mastocytosis (D47.02); mast cell leukemia (C94.30); and 1 more.

C96.21 maps to 4 SNOMED CT concepts: 397008008, 716655008, 307591004, 397016004. SNOMED CT is a clinical terminology used in electronic health records.

C96.21 is linked to 1 UMLS Concept Unique Identifier: C1112486. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like aggressive systemic mastocytosis affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

There is no direct ICD-11 mapping available for C96.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.