Is C85.2 a billable ICD-10-CM code?

No. C85.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C85.2 sit in the tabular list?

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

C85.2

C85.2 — Mediastinal (thymic) large B-cell lymphoma

Non-billable headerICD-10-CM

C85.2 is a non-billable header ICD-10-CM code for mediastinal (thymic) large b-cell lymphoma. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with C85.2

These codes carry an Excludes1 note pointing at C85.2. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C85.2 alone.

C83.3Diffuse large B-cell lymphoma
C83.8Other non-follicular lymphoma

Risk adjustment

C85.2 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 C85.2

11 child codes. Green means billable.

Related codes at this level

Codes that share C85. If C85.2 is not quite right, the correct code is usually one of these.

Questions about C85.2

Is C85.2 a billable ICD-10-CM code?: No. C85.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C85.2 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).