C91.5

C91.5: Adult T-cell lymphoma/leukemia (HTLV-1-associated)

Non-billable headerICD-10-CM

C91.5 is a non-billable header ICD-10-CM code for adult t-cell lymphoma/leukemia (htlv-1-associated). It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Acute variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Chronic variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Lymphomatoid variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Smouldering variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)

Excludes1 inherited from the categories above C91.5

A category’s note binds every code beneath it.

Written on C91: Lymphoid leukemia

personal history of leukemia (Z85.6)

Other codes that can never be billed with C91.5

Their own Excludes1 notes name this code, so the conflict is not listed above.

D72.825Bandemia

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C91.5

3 child codes. Green means billable.