Is C83 a billable ICD-10-CM code?

No. C83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C83 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 C83?

C83 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C83

C83 — Non-follicular lymphoma

Non-billable headerICD-10-CM

C83 is a non-billable header ICD-10-CM code for non-follicular lymphoma. 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.

personal history of non-Hodgkin lymphoma (Z85.72)

Other codes that can never be billed with C83

These codes carry an Excludes1 note pointing at C83. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C83 alone.

C83.390Primary central nervous system lymphoma
C83.8Other non-follicular lymphoma
C88.4Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
C91.1Chronic lymphocytic leukemia of B-cell type
C91.AMature B-cell leukemia Burkitt-type
C88.0Waldenstrom macroglobulinemia

Risk adjustment

C83 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 C83

7 child codes. Green means billable.

Questions about C83

Is C83 a billable ICD-10-CM code?: No. C83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C83 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 C83?: C83 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.