Is C93.3 a billable ICD-10-CM code?

No. C93.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C93.3 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 C93.3?

C93.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above C93.3 (C93) and apply to it just the same.

C93.3

C93.3 — Juvenile myelomonocytic leukemia

Non-billable headerICD-10-CM

C93.3 is a non-billable header ICD-10-CM code for juvenile myelomonocytic leukemia. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above C93.3

These are not written on C93.3, but they bind it: a note on a category applies to every code beneath it. Billing C93.3 with anything listed here is a denial.

Written on C93 — Monocytic leukemia

personal history of leukemia (Z85.6)

Other codes that can never be billed with C93.3

These codes carry an Excludes1 note pointing at C93.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C93.3 alone.

D72.825Bandemia

Risk adjustment

C93.3 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 history

C93.3 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead C93.3

3 child codes. Green means billable.

Related codes at this level

Codes that share C93. If C93.3 is not quite right, the correct code is usually one of these.

Questions about C93.3

Is C93.3 a billable ICD-10-CM code?: No. C93.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C93.3 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 C93.3?: C93.3 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above C93.3 (C93) and apply to it just the same.