Is C88.4 a billable ICD-10-CM code?

No. C88.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does C88.4 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 C88.4?

C88.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C88.4

C88.4 — Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]

Non-billable headerICD-10-CM

C88.4 is a non-billable header ICD-10-CM code for extranodal marginal zone b-cell lymphoma of mucosa-associated lymphoid tissue [malt-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.

high malignant (diffuse large B-cell) lymphoma (C83.3-)

Inclusion terms

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

Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma]
Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma]

Risk adjustment

C88.4 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.

Medicare coverage

C88.4 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A59491Billing and Coding: Genetic Testing for Oncology
A59491Billing and Coding: Genetic Testing for Oncology
A59491Billing and Coding: Genetic Testing for Oncology
A59491Billing and Coding: Genetic Testing for Oncology

Code to one of these instead C88.4

2 child codes. Green means billable.

Related codes at this level

Codes that share C88. If C88.4 is not quite right, the correct code is usually one of these.

Questions about C88.4

Is C88.4 a billable ICD-10-CM code?: No. C88.4 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does C88.4 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 C88.4?: C88.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.