C96.29: Other malignant mast cell neoplasm
C96.29 is a billable, specific ICD-10-CM code for other malignant mast cell neoplasm. It is valid for submission on a claim.
Check C96.29 with the rest of the claim: free scrubberExcludes1 inherited from the categories above C96.29
A category’s note binds every code beneath it.
Written on C96.2: Malignant mast cell neoplasm
Other codes that can never be billed with C96.29
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
C96.29 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 21 Lymphoma and Other Cancers0.671 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C96.29 is named in 30 Medicare coverage policies: 30 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52370Billing and Coding: Bevacizumab and biosimilars
- A52986Billing and Coding: Biomarkers for Oncology
- A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
- A55717Billing and Coding: Lab: Flow Cytometry
Alphabetic index entries that lead here
- Mastocytoma›malignant
- Mastocytosis›malignant
- Neoplasm, neoplastic›malignant mast cell›specified type NEC
- Mast cell›neoplasm›malignant›specified type NEC
Code history
Unchanged in every release from FY2024 to FY2027.