Is C96.2 a billable ICD-10-CM code?

No. C96.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C96.2 sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).

What cannot be coded together with C96.2?

C96.2 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C96.2

C96.2 — Malignant mast cell neoplasm

Non-billable headerICD-10-CM

C96.2 is a non-billable header ICD-10-CM code for malignant mast cell neoplasm. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

indolent mastocytosis (D47.02)
mast cell leukemia (C94.30)
mastocytosis (congenital) (cutaneous) (Q82.2)

Other codes that can never be billed with C96.2

These codes carry an Excludes1 note pointing at C96.2. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C96.2 alone.

Q82.2Congenital cutaneous mastocytosis
D47.0Mast cell neoplasms of uncertain behavior
D47.02Systemic mastocytosis
D89.4Mast cell activation syndrome and related disorders

Risk adjustment

C96.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead C96.2

4 child codes. Green means billable.

Related codes at this level

Codes that share C96. If C96.2 is not quite right, the correct code is usually one of these.

Questions about C96.2

Is C96.2 a billable ICD-10-CM code?: No. C96.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C96.2 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).
What cannot be coded together with C96.2?: C96.2 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.