Is C88.40 a billable ICD-10-CM code?

Yes. C88.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does C88.40 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 C88.40?

C88.40 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 C88.40 (C88.4, C88) and apply to it just the same.

C88.40

C88.40 — Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] not having achieved remission

Billable / specific codeICD-10-CM

C88.40 is a billable, specific ICD-10-CM code for extranodal marginal zone b-cell lymphoma of mucosa-associated lymphoid tissue [malt-lymphoma] not having achieved remission. It is valid for submission on a claim.

Inclusion terms

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

Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] NOS
Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] with failed remission
Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] NOS
Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] not having achieved remission
Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] with failed remission
Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] NOS
Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] not having achieved remission
Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] with failed remission

Excludes1 inherited from the categories above C88.40

These are not written on C88.40, but they bind it: a note on a category applies to every code beneath it. Billing C88.40 with anything listed here is a denial.

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

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

Written on C88 — Malignant immunoproliferative diseases and certain other B-cell lymphomas

B-cell lymphoma, unspecified (C85.1-)
personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

Risk adjustment

C88.40 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 21 Lymphoma and Other Cancers0.671 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

C88.40 is named in 56 Medicare coverage policies — 56 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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A52479Oral Anticancer Drugs - Policy Article
A52479Oral Anticancer Drugs - Policy Article
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Code history

What changed, and when. Derived by diffing consecutive CMS release files — which matters when you are defending a code assigned under an earlier edition.

addedFY2024-FY2026
Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] not having achieved remission

Related codes at this level

Codes that share C88.4. If C88.40 is not quite right, the correct code is usually one of these.

C88.41Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma], in remission

Questions about C88.40

Is C88.40 a billable ICD-10-CM code?: Yes. C88.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C88.40 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 C88.40?: C88.40 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 C88.40 (C88.4, C88) and apply to it just the same.